Add template type diffing to Clang. This feature will provide a better

comparison between two templated types when they both appear in a diagnostic.
Type elision will remove indentical template arguments, which can be disabled
with -fno-elide-type.  Cyan highlighting is applied to the differing types.

For more formatting, -fdiagnostic-show-template-tree will output the template
type as an indented text tree, with differences appearing inline. Template
tree works with or without type elision.

llvm-svn: 159216
This commit is contained in:
Richard Trieu 2012-06-26 18:18:47 +00:00
parent 18e3dfc547
commit 9184423984
12 changed files with 1523 additions and 30 deletions

View File

@ -153,7 +153,8 @@ public:
ak_declarationname, // DeclarationName
ak_nameddecl, // NamedDecl *
ak_nestednamespec, // NestedNameSpecifier *
ak_declcontext // DeclContext *
ak_declcontext, // DeclContext *
ak_qualtype_pair // pair<QualType, QualType>
};
/// Specifies which overload candidates to display when overload resolution
@ -175,6 +176,9 @@ private:
bool ErrorsAsFatal; // Treat errors like fatal errors.
bool SuppressSystemWarnings; // Suppress warnings in system headers.
bool SuppressAllDiagnostics; // Suppress all diagnostics.
bool ElideType; // Elide common types of templates.
bool PrintTemplateTree; // Print a tree when comparing templates.
bool ShowColors; // Color printing is enabled.
OverloadsShown ShowOverloads; // Which overload candidates to show.
unsigned ErrorLimit; // Cap of # errors emitted, 0 -> no limit.
unsigned TemplateBacktraceLimit; // Cap on depth of template backtrace stack,
@ -439,6 +443,21 @@ public:
}
bool getSuppressAllDiagnostics() const { return SuppressAllDiagnostics; }
/// \brief Set type eliding, to skip outputting same types occurring in
/// template types.
void setElideType(bool Val = true) { ElideType = Val; }
bool getElideType() { return ElideType; }
/// \brief Set tree printing, to outputting the template difference in a
/// tree format.
void setPrintTemplateTree(bool Val = false) { PrintTemplateTree = Val; }
bool getPrintTemplateTree() { return PrintTemplateTree; }
/// \brief Set color printing, so the type diffing will inject color markers
/// into the output.
void setShowColors(bool Val = false) { ShowColors = Val; }
bool getShowColors() { return ShowColors; }
/// \brief Specify which overload candidates to show when overload resolution
/// fails. By default, we show all candidates.
void setShowOverloads(OverloadsShown Val) {
@ -1058,7 +1077,6 @@ public:
return DiagObj->DiagArgumentsVal[Idx];
}
/// getNumRanges - Return the number of source ranges associated with this
/// diagnostic.
unsigned getNumRanges() const {
@ -1223,6 +1241,20 @@ class IgnoringDiagConsumer : public DiagnosticConsumer {
}
};
// Struct used for sending info about how a type should be printed.
struct TemplateDiffTypes {
intptr_t FromType;
intptr_t ToType;
unsigned PrintTree : 1;
unsigned PrintFromType : 1;
unsigned ElideType : 1;
unsigned ShowColors : 1;
};
/// Special character that the diagnostic printer will use to toggle the bold
/// attribute. The character itself will be not be printed.
const char ToggleHighlight = 127;
} // end namespace clang
#endif

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@ -2162,7 +2162,7 @@ def note_ovl_candidate_bad_conv : Note<"candidate "
"function (the implicit copy assignment operator)|"
"function (the implicit move assignment operator)|"
"constructor (inherited)}0%1"
" not viable: no known conversion from %2 to %3 for "
" not viable: no known conversion %diff{from | to | }2,3for "
"%select{%ordinal5 argument|object argument}4; "
"%select{|dereference the argument with *|"
"take the address of the argument with &|"

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@ -358,6 +358,9 @@ def fdiagnostics_show_note_include_stack : Flag<"-fdiagnostics-show-note-include
Group<f_Group>, Flags<[CC1Option]>, HelpText<"Display include stacks for diagnostic notes">;
def fdiagnostics_format_EQ : Joined<"-fdiagnostics-format=">, Group<f_clang_Group>;
def fdiagnostics_show_category_EQ : Joined<"-fdiagnostics-show-category=">, Group<f_clang_Group>;
def fdiagnostics_show_template_tree : Flag<"-fdiagnostics-show-template-tree">,
Group<f_Group>, Flags<[CC1Option]>,
HelpText<"Print a template comparison tree for differing templates">;
def fdollars_in_identifiers : Flag<"-fdollars-in-identifiers">, Group<f_Group>,
HelpText<"Allow '$' in identifiers">, Flags<[CC1Option]>;
def fdwarf2_cfi_asm : Flag<"-fdwarf2-cfi-asm">, Group<f_Group>;
@ -365,6 +368,9 @@ def fno_dwarf2_cfi_asm : Flag<"-fno-dwarf2-cfi-asm">, Group<f_Group>, Flags<[CC
def fdwarf_directory_asm : Flag<"-fdwarf-directory-asm">, Group<f_Group>;
def fno_dwarf_directory_asm : Flag<"-fno-dwarf-directory-asm">, Group<f_Group>, Flags<[CC1Option]>;
def felide_constructors : Flag<"-felide-constructors">, Group<f_Group>;
def fno_elide_type : Flag<"-fno-elide-type">, Group<f_Group>,
Flags<[CC1Option]>,
HelpText<"Do not elide types when printing diagnostics">;
def feliminate_unused_debug_symbols : Flag<"-feliminate-unused-debug-symbols">, Group<f_Group>;
def femit_all_decls : Flag<"-femit-all-decls">, Group<f_Group>, Flags<[CC1Option]>,
HelpText<"Emit all declarations, even if unused">;

View File

@ -47,6 +47,9 @@ public:
/// diagnostics, indicated by markers in the
/// input source file.
unsigned ElideType: 1; /// Elide identical types in template diffing
unsigned ShowTemplateTree: 1; /// Print a template tree when diffing
unsigned ErrorLimit; /// Limit # errors emitted.
unsigned MacroBacktraceLimit; /// Limit depth of macro expansion backtrace.
unsigned TemplateBacktraceLimit; /// Limit depth of instantiation backtrace.

View File

@ -14,7 +14,11 @@
#include "clang/AST/ASTContext.h"
#include "clang/AST/DeclObjC.h"
#include "clang/AST/TemplateBase.h"
#include "clang/AST/ExprCXX.h"
#include "clang/AST/DeclTemplate.h"
#include "clang/AST/Type.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Support/raw_ostream.h"
using namespace clang;
@ -225,6 +229,11 @@ ConvertTypeToDiagnosticString(ASTContext &Context, QualType Ty,
return S;
}
static bool FormatTemplateTypeDiff(ASTContext &Context, QualType FromType,
QualType ToType, bool PrintTree,
bool PrintFromType, bool ElideType,
bool ShowColors, std::string &S);
void clang::FormatASTNodeDiagnosticArgument(
DiagnosticsEngine::ArgumentKind Kind,
intptr_t Val,
@ -244,6 +253,32 @@ void clang::FormatASTNodeDiagnosticArgument(
switch (Kind) {
default: llvm_unreachable("unknown ArgumentKind");
case DiagnosticsEngine::ak_qualtype_pair: {
const TemplateDiffTypes &TDT = *reinterpret_cast<TemplateDiffTypes*>(Val);
QualType FromType =
QualType::getFromOpaquePtr(reinterpret_cast<void*>(TDT.FromType));
QualType ToType =
QualType::getFromOpaquePtr(reinterpret_cast<void*>(TDT.ToType));
if (FormatTemplateTypeDiff(Context, FromType, ToType, TDT.PrintTree,
TDT.PrintFromType, TDT.ElideType,
TDT.ShowColors, S)) {
NeedQuotes = !TDT.PrintTree;
break;
}
// Don't fall-back during tree printing. The caller will handle
// this case.
if (TDT.PrintTree)
return;
// Attempting to do a templete diff on non-templates. Set the variables
// and continue with regular type printing of the appropriate type.
Val = TDT.PrintFromType ? TDT.FromType : TDT.ToType;
ModLen = 0;
ArgLen = 0;
// Fall through
}
case DiagnosticsEngine::ak_qualtype: {
assert(ModLen == 0 && ArgLen == 0 &&
"Invalid modifier for QualType argument");
@ -329,3 +364,901 @@ void clang::FormatASTNodeDiagnosticArgument(
if (NeedQuotes)
Output.push_back('\'');
}
/// TemplateDiff - A class that constructs a pretty string for a pair of
/// QualTypes. For the pair of types, a diff tree will be created containing
/// all the information about the templates and template arguments. Afterwards,
/// the tree is transformed to a string according to the options passed in.
namespace {
class TemplateDiff {
/// Context - The ASTContext which is used for comparing template arguments.
ASTContext &Context;
/// Policy - Used during expression printing.
PrintingPolicy Policy;
/// ElideType - Option to elide identical types.
bool ElideType;
/// PrintTree - Format output string as a tree.
bool PrintTree;
/// ShowColor - Diagnostics support color, so bolding will be used.
bool ShowColor;
/// FromType - When single type printing is selected, this is the type to be
/// be printed. When tree printing is selected, this type will show up first
/// in the tree.
QualType FromType;
/// ToType - The type that FromType is compared to. Only in tree printing
/// will this type be outputed.
QualType ToType;
/// Str - Storage for the output stream.
llvm::SmallString<128> Str;
/// OS - The stream used to construct the output strings.
llvm::raw_svector_ostream OS;
/// IsBold - Keeps track of the bold formatting for the output string.
bool IsBold;
/// DiffTree - A tree representation the differences between two types.
class DiffTree {
/// DiffNode - The root node stores the original type. Each child node
/// stores template arguments of their parents. For templated types, the
/// template decl is also stored.
struct DiffNode {
/// NextNode - The index of the next sibling node or 0.
unsigned NextNode;
/// ChildNode - The index of the first child node or 0.
unsigned ChildNode;
/// ParentNode - The index of the parent node.
unsigned ParentNode;
/// FromType, ToType - The type arguments.
QualType FromType, ToType;
/// FromExpr, ToExpr - The expression arguments.
Expr *FromExpr, *ToExpr;
/// FromTD, ToTD - The template decl for template template
/// arguments or the type arguments that are templates.
TemplateDecl *FromTD, *ToTD;
/// FromDefault, ToDefault - Whether the argument is a default argument.
bool FromDefault, ToDefault;
/// Same - Whether the two arguments evaluate to the same value.
bool Same;
DiffNode(unsigned ParentNode = 0)
: NextNode(0), ChildNode(0), ParentNode(ParentNode),
FromType(), ToType(), FromExpr(0), ToExpr(0), FromTD(0), ToTD(0),
FromDefault(false), ToDefault(false), Same(false) { }
};
/// FlatTree - A flattened tree used to store the DiffNodes.
llvm::SmallVector<DiffNode, 16> FlatTree;
/// CurrentNode - The index of the current node being used.
unsigned CurrentNode;
/// NextFreeNode - The index of the next unused node. Used when creating
/// child nodes.
unsigned NextFreeNode;
/// ReadNode - The index of the current node being read.
unsigned ReadNode;
public:
DiffTree() :
CurrentNode(0), NextFreeNode(1) {
FlatTree.push_back(DiffNode());
}
// Node writing functions.
/// SetNode - Sets FromTD and ToTD of the current node.
void SetNode(TemplateDecl *FromTD, TemplateDecl *ToTD) {
FlatTree[CurrentNode].FromTD = FromTD;
FlatTree[CurrentNode].ToTD = ToTD;
}
/// SetNode - Sets FromType and ToType of the current node.
void SetNode(QualType FromType, QualType ToType) {
FlatTree[CurrentNode].FromType = FromType;
FlatTree[CurrentNode].ToType = ToType;
}
/// SetNode - Set FromExpr and ToExpr of the current node.
void SetNode(Expr *FromExpr, Expr *ToExpr) {
FlatTree[CurrentNode].FromExpr = FromExpr;
FlatTree[CurrentNode].ToExpr = ToExpr;
}
/// SetSame - Sets the same flag of the current node.
void SetSame(bool Same) {
FlatTree[CurrentNode].Same = Same;
}
/// SetDefault - Sets FromDefault and ToDefault flags of the current node.
void SetDefault(bool FromDefault, bool ToDefault) {
FlatTree[CurrentNode].FromDefault = FromDefault;
FlatTree[CurrentNode].ToDefault = ToDefault;
}
/// Up - Changes the node to the parent of the current node.
void Up() {
CurrentNode = FlatTree[CurrentNode].ParentNode;
}
/// AddNode - Adds a child node to the current node, then sets that node
/// node as the current node.
void AddNode() {
FlatTree.push_back(DiffNode(CurrentNode));
DiffNode &Node = FlatTree[CurrentNode];
if (Node.ChildNode == 0) {
// If a child node doesn't exist, add one.
Node.ChildNode = NextFreeNode;
} else {
// If a child node exists, find the last child node and add a
// next node to it.
unsigned i;
for (i = Node.ChildNode; FlatTree[i].NextNode != 0;
i = FlatTree[i].NextNode) {
}
FlatTree[i].NextNode = NextFreeNode;
}
CurrentNode = NextFreeNode;
++NextFreeNode;
}
// Node reading functions.
/// StartTraverse - Prepares the tree for recursive traversal.
void StartTraverse() {
ReadNode = 0;
CurrentNode = NextFreeNode;
NextFreeNode = 0;
}
/// Parent - Move the current read node to its parent.
void Parent() {
ReadNode = FlatTree[ReadNode].ParentNode;
}
/// NodeIsTemplate - Returns true if a template decl is set, and types are
/// set.
bool NodeIsTemplate() {
return (FlatTree[ReadNode].FromTD &&
!FlatTree[ReadNode].ToType.isNull()) ||
(FlatTree[ReadNode].ToTD && !FlatTree[ReadNode].ToType.isNull());
}
/// NodeIsQualType - Returns true if a Qualtype is set.
bool NodeIsQualType() {
return !FlatTree[ReadNode].FromType.isNull() ||
!FlatTree[ReadNode].ToType.isNull();
}
/// NodeIsExpr - Returns true if an expr is set.
bool NodeIsExpr() {
return FlatTree[ReadNode].FromExpr || FlatTree[ReadNode].ToExpr;
}
/// NodeIsTemplateTemplate - Returns true if the argument is a template
/// template type.
bool NodeIsTemplateTemplate() {
return FlatTree[ReadNode].FromType.isNull() &&
FlatTree[ReadNode].ToType.isNull() &&
(FlatTree[ReadNode].FromTD || FlatTree[ReadNode].ToTD);
}
/// GetNode - Gets the FromType and ToType.
void GetNode(QualType &FromType, QualType &ToType) {
FromType = FlatTree[ReadNode].FromType;
ToType = FlatTree[ReadNode].ToType;
}
/// GetNode - Gets the FromExpr and ToExpr.
void GetNode(Expr *&FromExpr, Expr *&ToExpr) {
FromExpr = FlatTree[ReadNode].FromExpr;
ToExpr = FlatTree[ReadNode].ToExpr;
}
/// GetNode - Gets the FromTD and ToTD.
void GetNode(TemplateDecl *&FromTD, TemplateDecl *&ToTD) {
FromTD = FlatTree[ReadNode].FromTD;
ToTD = FlatTree[ReadNode].ToTD;
}
/// NodeIsSame - Returns true the arguments are the same.
bool NodeIsSame() {
return FlatTree[ReadNode].Same;
}
/// HasChildrend - Returns true if the node has children.
bool HasChildren() {
return FlatTree[ReadNode].ChildNode != 0;
}
/// MoveToChild - Moves from the current node to its child.
void MoveToChild() {
ReadNode = FlatTree[ReadNode].ChildNode;
}
/// AdvanceSibling - If there is a next sibling, advance to it and return
/// true. Otherwise, return false.
bool AdvanceSibling() {
if (FlatTree[ReadNode].NextNode == 0)
return false;
ReadNode = FlatTree[ReadNode].NextNode;
return true;
}
/// HasNextSibling - Return true if the node has a next sibling.
bool HasNextSibling() {
return FlatTree[ReadNode].NextNode != 0;
}
/// FromDefault - Return true if the from argument is the default.
bool FromDefault() {
return FlatTree[ReadNode].FromDefault;
}
/// ToDefault - Return true if the to argument is the default.
bool ToDefault() {
return FlatTree[ReadNode].ToDefault;
}
/// Empty - Returns true if the tree has no information.
bool Empty() {
return !FlatTree[0].FromTD && !FlatTree[0].ToTD &&
!FlatTree[0].FromExpr && !FlatTree[0].ToExpr &&
FlatTree[0].FromType.isNull() && FlatTree[0].ToType.isNull();
}
};
DiffTree Tree;
/// TSTiterator - an iterator that is used to enter a
/// TemplateSpecializationType and read TemplateArguments inside template
/// parameter packs in order with the rest of the TemplateArguments.
struct TSTiterator {
typedef const TemplateArgument& reference;
typedef const TemplateArgument* pointer;
/// TST - the template specialization whose arguments this iterator
/// traverse over.
const TemplateSpecializationType *TST;
/// Index - the index of the template argument in TST.
unsigned Index;
/// CurrentTA - if CurrentTA is not the same as EndTA, then CurrentTA
/// points to a TemplateArgument within a parameter pack.
TemplateArgument::pack_iterator CurrentTA;
/// EndTA - the end iterator of a parameter pack
TemplateArgument::pack_iterator EndTA;
/// TSTiterator - Constructs an iterator and sets it to the first template
/// argument.
TSTiterator(const TemplateSpecializationType *TST)
: TST(TST), Index(0), CurrentTA(0), EndTA(0) {
if (isEnd()) return;
// Set to first template argument. If not a parameter pack, done.
TemplateArgument TA = TST->getArg(0);
if (TA.getKind() != TemplateArgument::Pack) return;
// Start looking into the parameter pack.
CurrentTA = TA.pack_begin();
EndTA = TA.pack_end();
// Found a valid template argument.
if (CurrentTA != EndTA) return;
// Parameter pack is empty, use the increment to get to a valid
// template argument.
++(*this);
}
/// isEnd - Returns true if the iterator is one past the end.
bool isEnd() const {
return Index == TST->getNumArgs();
}
/// &operator++ - Increment the iterator to the next template argument.
TSTiterator &operator++() {
assert(!isEnd() && "Iterator incremented past end of arguments.");
// If in a parameter pack, advance in the parameter pack.
if (CurrentTA != EndTA) {
++CurrentTA;
if (CurrentTA != EndTA)
return *this;
}
// Loop until a template argument is found, or the end is reached.
while (true) {
// Advance to the next template argument. Break if reached the end.
if (++Index == TST->getNumArgs()) break;
// If the TemplateArgument is not a parameter pack, done.
TemplateArgument TA = TST->getArg(Index);
if (TA.getKind() != TemplateArgument::Pack) break;
// Handle parameter packs.
CurrentTA = TA.pack_begin();
EndTA = TA.pack_end();
// If the parameter pack is empty, try to advance again.
if (CurrentTA != EndTA) break;
}
return *this;
}
/// operator* - Returns the appropriate TemplateArgument.
reference operator*() const {
assert(!isEnd() && "Index exceeds number of arguments.");
if (CurrentTA == EndTA)
return TST->getArg(Index);
else
return *CurrentTA;
}
/// operator-> - Allow access to the underlying TemplateArgument.
pointer operator->() const {
return &operator*();
}
};
// These functions build up the template diff tree, including functions to
// retrieve and compare template arguments.
static const TemplateSpecializationType * GetTemplateSpecializationType(
ASTContext &Context, QualType Ty) {
if (const TemplateSpecializationType *TST =
Ty->getAs<TemplateSpecializationType>())
return TST;
const RecordType *RT = Ty->getAs<RecordType>();
if (!RT)
return 0;
const ClassTemplateSpecializationDecl *CTSD =
dyn_cast<ClassTemplateSpecializationDecl>(RT->getDecl());
if (!CTSD)
return 0;
Ty = Context.getTemplateSpecializationType(
TemplateName(CTSD->getSpecializedTemplate()),
CTSD->getTemplateArgs().data(),
CTSD->getTemplateArgs().size(),
Ty.getCanonicalType());
return Ty->getAs<TemplateSpecializationType>();
}
/// DiffTemplate - recursively visits template arguments and stores the
/// argument info into a tree.
void DiffTemplate(const TemplateSpecializationType *FromTST,
const TemplateSpecializationType *ToTST) {
// Begin descent into diffing template tree.
TemplateParameterList *Params =
FromTST->getTemplateName().getAsTemplateDecl()->getTemplateParameters();
unsigned TotalArgs = 0;
for (TSTiterator FromIter(FromTST), ToIter(ToTST);
!FromIter.isEnd() || !ToIter.isEnd(); ++TotalArgs) {
Tree.AddNode();
// Get the parameter at index TotalArgs. If index is larger
// than the total number of parameters, then there is an
// argument pack, so re-use the last parameter.
NamedDecl *ParamND = Params->getParam(
(TotalArgs < Params->size()) ? TotalArgs
: Params->size() - 1);
// Handle Types
if (TemplateTypeParmDecl *DefaultTTPD =
dyn_cast<TemplateTypeParmDecl>(ParamND)) {
QualType FromType, ToType;
GetType(FromIter, DefaultTTPD, FromType);
GetType(ToIter, DefaultTTPD, ToType);
Tree.SetNode(FromType, ToType);
Tree.SetDefault(FromIter.isEnd() && !FromType.isNull(),
ToIter.isEnd() && !ToType.isNull());
if (!FromType.isNull() && !ToType.isNull()) {
if (Context.hasSameType(FromType, ToType)) {
Tree.SetSame(true);
} else {
const TemplateSpecializationType *FromArgTST =
GetTemplateSpecializationType(Context, FromType);
const TemplateSpecializationType *ToArgTST =
GetTemplateSpecializationType(Context, ToType);
if (FromArgTST && ToArgTST) {
bool SameTemplate = hasSameTemplate(FromArgTST, ToArgTST);
if (SameTemplate) {
Tree.SetNode(FromArgTST->getTemplateName().getAsTemplateDecl(),
ToArgTST->getTemplateName().getAsTemplateDecl());
DiffTemplate(FromArgTST, ToArgTST);
}
}
}
}
}
// Handle Expressions
if (NonTypeTemplateParmDecl *DefaultNTTPD =
dyn_cast<NonTypeTemplateParmDecl>(ParamND)) {
Expr *FromExpr, *ToExpr;
GetExpr(FromIter, DefaultNTTPD, FromExpr);
GetExpr(ToIter, DefaultNTTPD, ToExpr);
Tree.SetNode(FromExpr, ToExpr);
Tree.SetSame(IsEqualExpr(Context, FromExpr, ToExpr));
Tree.SetDefault(FromIter.isEnd() && FromExpr,
ToIter.isEnd() && ToExpr);
}
// Handle Templates
if (TemplateTemplateParmDecl *DefaultTTPD =
dyn_cast<TemplateTemplateParmDecl>(ParamND)) {
TemplateDecl *FromDecl, *ToDecl;
GetTemplateDecl(FromIter, DefaultTTPD, FromDecl);
GetTemplateDecl(ToIter, DefaultTTPD, ToDecl);
Tree.SetNode(FromDecl, ToDecl);
Tree.SetSame(FromDecl && ToDecl &&
FromDecl->getIdentifier() == ToDecl->getIdentifier());
}
if (!FromIter.isEnd()) ++FromIter;
if (!ToIter.isEnd()) ++ToIter;
Tree.Up();
}
}
/// hasSameTemplate - Returns true if both types are specialized from the
/// same template declaration. If they come from different template aliases,
/// do a parallel ascension search to determine the highest template alias in
/// common and set the arguments to them.
static bool hasSameTemplate(const TemplateSpecializationType *&FromTST,
const TemplateSpecializationType *&ToTST) {
// Check the top templates if they are the same.
if (FromTST->getTemplateName().getAsTemplateDecl()->getIdentifier() ==
ToTST->getTemplateName().getAsTemplateDecl()->getIdentifier())
return true;
// Create vectors of template aliases.
SmallVector<const TemplateSpecializationType*, 1> FromTemplateList,
ToTemplateList;
const TemplateSpecializationType *TempToTST = ToTST, *TempFromTST = FromTST;
FromTemplateList.push_back(FromTST);
ToTemplateList.push_back(ToTST);
// Dump every template alias into the vectors.
while (TempFromTST->isTypeAlias()) {
TempFromTST =
TempFromTST->getAliasedType()->getAs<TemplateSpecializationType>();
if (!TempFromTST)
break;
FromTemplateList.push_back(TempFromTST);
}
while (TempToTST->isTypeAlias()) {
TempToTST =
TempToTST->getAliasedType()->getAs<TemplateSpecializationType>();
if (!TempToTST)
break;
ToTemplateList.push_back(TempToTST);
}
SmallVector<const TemplateSpecializationType*, 1>::reverse_iterator
FromIter = FromTemplateList.rbegin(), FromEnd = FromTemplateList.rend(),
ToIter = ToTemplateList.rbegin(), ToEnd = ToTemplateList.rend();
// Check if the lowest template types are the same. If not, return.
if ((*FromIter)->getTemplateName().getAsTemplateDecl()->getIdentifier() !=
(*ToIter)->getTemplateName().getAsTemplateDecl()->getIdentifier())
return false;
// Begin searching up the template aliases. The bottom most template
// matches so move up until one pair does not match. Use the template
// right before that one.
for (; FromIter != FromEnd && ToIter != ToEnd; ++FromIter, ++ToIter) {
if ((*FromIter)->getTemplateName().getAsTemplateDecl()->getIdentifier() !=
(*ToIter)->getTemplateName().getAsTemplateDecl()->getIdentifier())
break;
}
FromTST = FromIter[-1];
ToTST = ToIter[-1];
return true;
}
/// GetType - Retrieves the template type arguments, including default
/// arguments.
void GetType(const TSTiterator &Iter, TemplateTypeParmDecl *DefaultTTPD,
QualType &ArgType) {
ArgType = QualType();
bool isVariadic = DefaultTTPD->isParameterPack();
if (!Iter.isEnd())
ArgType = Iter->getAsType();
else if (!isVariadic)
ArgType = DefaultTTPD->getDefaultArgument();
};
/// GetExpr - Retrieves the template expression argument, including default
/// arguments.
void GetExpr(const TSTiterator &Iter, NonTypeTemplateParmDecl *DefaultNTTPD,
Expr *&ArgExpr) {
ArgExpr = 0;
bool isVariadic = DefaultNTTPD->isParameterPack();
if (!Iter.isEnd())
ArgExpr = Iter->getAsExpr();
else if (!isVariadic)
ArgExpr = DefaultNTTPD->getDefaultArgument();
if (ArgExpr)
while (SubstNonTypeTemplateParmExpr *SNTTPE =
dyn_cast<SubstNonTypeTemplateParmExpr>(ArgExpr))
ArgExpr = SNTTPE->getReplacement();
}
/// GetTemplateDecl - Retrieves the template template arguments, including
/// default arguments.
void GetTemplateDecl(const TSTiterator &Iter,
TemplateTemplateParmDecl *DefaultTTPD,
TemplateDecl *&ArgDecl) {
ArgDecl = 0;
bool isVariadic = DefaultTTPD->isParameterPack();
TemplateArgument TA = DefaultTTPD->getDefaultArgument().getArgument();
TemplateDecl *DefaultTD = TA.getAsTemplate().getAsTemplateDecl();
if (!Iter.isEnd())
ArgDecl = Iter->getAsTemplate().getAsTemplateDecl();
else if (!isVariadic)
ArgDecl = DefaultTD;
}
/// IsEqualExpr - Returns true if the expressions evaluate to the same value.
static bool IsEqualExpr(ASTContext &Context, Expr *FromExpr, Expr *ToExpr) {
if (FromExpr == ToExpr)
return true;
if (!FromExpr || !ToExpr)
return false;
FromExpr = FromExpr->IgnoreParens();
ToExpr = ToExpr->IgnoreParens();
DeclRefExpr *FromDRE = dyn_cast<DeclRefExpr>(FromExpr),
*ToDRE = dyn_cast<DeclRefExpr>(ToExpr);
if (FromDRE || ToDRE) {
if (!FromDRE || !ToDRE)
return false;
return FromDRE->getDecl() == ToDRE->getDecl();
}
Expr::EvalResult FromResult, ToResult;
if (!FromExpr->EvaluateAsRValue(FromResult, Context) ||
!ToExpr->EvaluateAsRValue(ToResult, Context))
assert(0 && "Template arguments must be known at compile time.");
APValue &FromVal = FromResult.Val;
APValue &ToVal = ToResult.Val;
if (FromVal.getKind() != ToVal.getKind()) return false;
switch (FromVal.getKind()) {
case APValue::Int:
return FromVal.getInt() == ToVal.getInt();
case APValue::LValue: {
APValue::LValueBase FromBase = FromVal.getLValueBase();
APValue::LValueBase ToBase = ToVal.getLValueBase();
if (FromBase.isNull() && ToBase.isNull())
return true;
if (FromBase.isNull() || ToBase.isNull())
return false;
return FromBase.get<const ValueDecl*>() ==
ToBase.get<const ValueDecl*>();
}
case APValue::MemberPointer:
return FromVal.getMemberPointerDecl() == ToVal.getMemberPointerDecl();
default:
llvm_unreachable("Unknown template argument expression.");
}
}
// These functions converts the tree representation of the template
// differences into the internal character vector.
/// TreeToString - Converts the Tree object into a character stream which
/// will later be turned into the output string.
void TreeToString(int Indent = 1) {
if (PrintTree) {
OS << '\n';
for (int i = 0; i < Indent; ++i)
OS << " ";
++Indent;
}
// Handle cases where the difference is not templates with different
// arguments.
if (!Tree.NodeIsTemplate()) {
if (Tree.NodeIsQualType()) {
QualType FromType, ToType;
Tree.GetNode(FromType, ToType);
PrintTypeNames(FromType, ToType, Tree.FromDefault(), Tree.ToDefault(),
Tree.NodeIsSame());
return;
}
if (Tree.NodeIsExpr()) {
Expr *FromExpr, *ToExpr;
Tree.GetNode(FromExpr, ToExpr);
PrintExpr(FromExpr, ToExpr, Tree.FromDefault(), Tree.ToDefault(),
Tree.NodeIsSame());
return;
}
if (Tree.NodeIsTemplateTemplate()) {
TemplateDecl *FromTD, *ToTD;
Tree.GetNode(FromTD, ToTD);
PrintTemplateTemplate(FromTD, ToTD, Tree.FromDefault(),
Tree.ToDefault(), Tree.NodeIsSame());
return;
}
llvm_unreachable("Unable to deduce template difference.");
}
// Node is root of template. Recurse on children.
TemplateDecl *FromTD, *ToTD;
Tree.GetNode(FromTD, ToTD);
assert(Tree.HasChildren() && "Template difference not found in diff tree.");
OS << FromTD->getNameAsString() << '<';
Tree.MoveToChild();
unsigned NumElideArgs = 0;
do {
if (ElideType) {
if (Tree.NodeIsSame()) {
++NumElideArgs;
continue;
}
if (NumElideArgs > 0) {
PrintElideArgs(NumElideArgs, Indent);
NumElideArgs = 0;
OS << ", ";
}
}
TreeToString(Indent);
if (Tree.HasNextSibling())
OS << ", ";
} while (Tree.AdvanceSibling());
if (NumElideArgs > 0)
PrintElideArgs(NumElideArgs, Indent);
Tree.Parent();
OS << ">";
}
// To signal to the text printer that a certain text needs to be bolded,
// a special character is injected into the character stream which the
// text printer will later strip out.
/// Bold - Start bolding text.
void Bold() {
assert(!IsBold && "Attempting to bold text that is already bold.");
IsBold = true;
if (ShowColor)
OS << ToggleHighlight;
}
/// Unbold - Stop bolding text.
void Unbold() {
assert(IsBold && "Attempting to remove bold from unbold text.");
IsBold = false;
if (ShowColor)
OS << ToggleHighlight;
}
// Functions to print out the arguments and highlighting the difference.
/// PrintTypeNames - prints the typenames, bolding differences. Will detect
/// typenames that are the same and attempt to disambiguate them by using
/// canonical typenames.
void PrintTypeNames(QualType FromType, QualType ToType,
bool FromDefault, bool ToDefault, bool Same) {
assert((!FromType.isNull() || !ToType.isNull()) &&
"Only one template argument may be missing.");
if (Same) {
OS << FromType.getAsString();
return;
}
std::string FromTypeStr = FromType.isNull() ? "(no argument)"
: FromType.getAsString();
std::string ToTypeStr = ToType.isNull() ? "(no argument)"
: ToType.getAsString();
// Switch to canonical typename if it is better.
// TODO: merge this with other aka printing above.
if (FromTypeStr == ToTypeStr) {
std::string FromCanTypeStr = FromType.getCanonicalType().getAsString();
std::string ToCanTypeStr = ToType.getCanonicalType().getAsString();
if (FromCanTypeStr != ToCanTypeStr) {
FromTypeStr = FromCanTypeStr;
ToTypeStr = ToCanTypeStr;
}
}
if (PrintTree) OS << '[';
OS << (FromDefault ? "(default) " : "");
Bold();
OS << FromTypeStr;
Unbold();
if (PrintTree) {
OS << " != " << (ToDefault ? "(default) " : "");
Bold();
OS << ToTypeStr;
Unbold();
OS << "]";
}
return;
}
/// PrintExpr - Prints out the expr template arguments, highlighting argument
/// differences.
void PrintExpr(const Expr *FromExpr, const Expr *ToExpr,
bool FromDefault, bool ToDefault, bool Same) {
assert((FromExpr || ToExpr) &&
"Only one template argument may be missing.");
if (Same) {
PrintExpr(FromExpr);
} else if (!PrintTree) {
OS << (FromDefault ? "(default) " : "");
Bold();
PrintExpr(FromExpr);
Unbold();
} else {
OS << (FromDefault ? "[(default) " : "[");
Bold();
PrintExpr(FromExpr);
Unbold();
OS << " != " << (ToDefault ? "(default) " : "");
Bold();
PrintExpr(ToExpr);
Unbold();
OS << ']';
}
}
/// PrintExpr - Actual formatting and printing of expressions.
void PrintExpr(const Expr *E) {
if (!E)
OS << "(no argument)";
else
E->printPretty(OS, Context, 0, Policy); return;
}
/// PrintTemplateTemplate - Handles printing of template template arguments,
/// highlighting argument differences.
void PrintTemplateTemplate(TemplateDecl *FromTD, TemplateDecl *ToTD,
bool FromDefault, bool ToDefault, bool Same) {
assert((FromTD || ToTD) && "Only one template argument may be missing.");
if (Same) {
OS << "template " << FromTD->getNameAsString();
} else if (!PrintTree) {
OS << (FromDefault ? "(default) template " : "template ");
Bold();
OS << (FromTD ? FromTD->getNameAsString() : "(no argument)");
Unbold();
} else {
OS << (FromDefault ? "[(default) template " : "[template ");
Bold();
OS << (FromTD ? FromTD->getNameAsString() : "(no argument)");
Unbold();
OS << " != " << (ToDefault ? "(default) template " : "template ");
Bold();
OS << (ToTD ? ToTD->getNameAsString() : "(no argument)");
Unbold();
OS << ']';
}
}
// Prints the appropriate placeholder for elided template arguments.
void PrintElideArgs(unsigned NumElideArgs, unsigned Indent) {
if (PrintTree) {
OS << '\n';
for (unsigned i = 0; i < Indent; ++i)
OS << " ";
}
if (NumElideArgs == 0) return;
if (NumElideArgs == 1)
OS << "[...]";
else
OS << "[" << NumElideArgs << " * ...]";
}
public:
TemplateDiff(ASTContext &Context, QualType FromType, QualType ToType,
bool PrintTree, bool PrintFromType, bool ElideType,
bool ShowColor)
: Context(Context),
Policy(Context.getLangOpts()),
ElideType(ElideType),
PrintTree(PrintTree),
ShowColor(ShowColor),
// When printing a single type, the FromType is the one printed.
FromType(PrintFromType ? FromType : ToType),
ToType(PrintFromType ? ToType : FromType),
OS(Str),
IsBold(false) {
}
/// DiffTemplate - Start the template type diffing.
void DiffTemplate() {
const TemplateSpecializationType *FromOrigTST =
GetTemplateSpecializationType(Context, FromType);
const TemplateSpecializationType *ToOrigTST =
GetTemplateSpecializationType(Context, ToType);
// Only checking templates.
if (!FromOrigTST || !ToOrigTST)
return;
// Different base templates.
if (!hasSameTemplate(FromOrigTST, ToOrigTST)) {
return;
}
Tree.SetNode(FromType, ToType);
// Same base template, but different arguments.
Tree.SetNode(FromOrigTST->getTemplateName().getAsTemplateDecl(),
ToOrigTST->getTemplateName().getAsTemplateDecl());
DiffTemplate(FromOrigTST, ToOrigTST);
};
/// MakeString - When the two types given are templated types with the same
/// base template, a string representation of the type difference will be
/// loaded into S and return true. Otherwise, return false.
bool MakeString(std::string &S) {
Tree.StartTraverse();
if (Tree.Empty())
return false;
TreeToString();
assert(!IsBold && "Bold is applied to end of string.");
S = OS.str();
return true;
}
}; // end class TemplateDiff
} // end namespace
/// FormatTemplateTypeDiff - A helper static function to start the template
/// diff and return the properly formatted string. Returns true if the diff
/// is successful.
static bool FormatTemplateTypeDiff(ASTContext &Context, QualType FromType,
QualType ToType, bool PrintTree,
bool PrintFromType, bool ElideType,
bool ShowColors, std::string &S) {
if (PrintTree)
PrintFromType = true;
TemplateDiff TD(Context, FromType, ToType, PrintTree, PrintFromType,
ElideType, ShowColors);
TD.DiffTemplate();
return TD.MakeString(S);
}

View File

@ -48,6 +48,9 @@ DiagnosticsEngine::DiagnosticsEngine(
ErrorsAsFatal = false;
SuppressSystemWarnings = false;
SuppressAllDiagnostics = false;
ElideType = true;
PrintTemplateTree = false;
ShowColors = false;
ShowOverloads = Ovl_All;
ExtBehavior = Ext_Ignore;
@ -660,6 +663,8 @@ FormatDiagnostic(const char *DiagStr, const char *DiagEnd,
/// QualTypeVals - Pass a vector of arrays so that QualType names can be
/// compared to see if more information is needed to be printed.
SmallVector<intptr_t, 2> QualTypeVals;
SmallVector<char, 64> Tree;
for (unsigned i = 0, e = getNumArgs(); i < e; ++i)
if (getArgKind(i) == DiagnosticsEngine::ak_qualtype)
QualTypeVals.push_back(getRawArg(i));
@ -711,7 +716,20 @@ FormatDiagnostic(const char *DiagStr, const char *DiagEnd,
assert(isdigit(*DiagStr) && "Invalid format for argument in diagnostic");
unsigned ArgNo = *DiagStr++ - '0';
// Only used for type diffing.
unsigned ArgNo2 = ArgNo;
DiagnosticsEngine::ArgumentKind Kind = getArgKind(ArgNo);
if (Kind == DiagnosticsEngine::ak_qualtype &&
ModifierIs(Modifier, ModifierLen, "diff")) {
Kind = DiagnosticsEngine::ak_qualtype_pair;
assert(*DiagStr == ',' && isdigit(*(DiagStr + 1)) &&
"Invalid format for diff modifier");
++DiagStr; // Comma.
ArgNo2 = *DiagStr++ - '0';
assert(getArgKind(ArgNo2) == DiagnosticsEngine::ak_qualtype &&
"Second value of type diff must be a qualtype");
}
switch (Kind) {
// ---- STRINGS ----
@ -796,18 +814,77 @@ FormatDiagnostic(const char *DiagStr, const char *DiagEnd,
FormattedArgs.data(), FormattedArgs.size(),
OutStr, QualTypeVals);
break;
case DiagnosticsEngine::ak_qualtype_pair:
// Create a struct with all the info needed for printing.
TemplateDiffTypes TDT;
TDT.FromType = getRawArg(ArgNo);
TDT.ToType = getRawArg(ArgNo2);
TDT.ElideType = getDiags()->ElideType;
TDT.ShowColors = getDiags()->ShowColors;
intptr_t val = reinterpret_cast<intptr_t>(&TDT);
// Print the tree.
if (getDiags()->PrintTemplateTree) {
TDT.PrintFromType = true;
TDT.PrintTree = true;
getDiags()->ConvertArgToString(Kind, val,
Modifier, ModifierLen,
Argument, ArgumentLen,
FormattedArgs.data(),
FormattedArgs.size(),
Tree, QualTypeVals);
// If there is no tree information, fall back to regular printing.
if (!Tree.empty())
break;
}
// Non-tree printing, also the fall-back when tree printing fails.
// The fall-back is triggered when the types compared are not templates.
const char *ArgumentEnd = Argument + ArgumentLen;
const char *FirstPipe = ScanFormat(Argument, ArgumentEnd, '|');
const char *SecondPipe = ScanFormat(FirstPipe + 1, ArgumentEnd, '|');
// Append before text
FormatDiagnostic(Argument, FirstPipe, OutStr);
// Append first type
TDT.PrintTree = false;
TDT.PrintFromType = true;
getDiags()->ConvertArgToString(Kind, val,
Modifier, ModifierLen,
Argument, ArgumentLen,
FormattedArgs.data(), FormattedArgs.size(),
OutStr, QualTypeVals);
// Append middle text
FormatDiagnostic(FirstPipe + 1, SecondPipe, OutStr);
// Append second type
TDT.PrintFromType = false;
getDiags()->ConvertArgToString(Kind, val,
Modifier, ModifierLen,
Argument, ArgumentLen,
FormattedArgs.data(), FormattedArgs.size(),
OutStr, QualTypeVals);
// Append end text
FormatDiagnostic(SecondPipe + 1, ArgumentEnd, OutStr);
break;
}
// Remember this argument info for subsequent formatting operations. Turn
// std::strings into a null terminated string to make it be the same case as
// all the other ones.
if (Kind != DiagnosticsEngine::ak_std_string)
if (Kind == DiagnosticsEngine::ak_qualtype_pair)
continue;
else if (Kind != DiagnosticsEngine::ak_std_string)
FormattedArgs.push_back(std::make_pair(Kind, getRawArg(ArgNo)));
else
FormattedArgs.push_back(std::make_pair(DiagnosticsEngine::ak_c_string,
(intptr_t)getArgStdStr(ArgNo).c_str()));
}
// Append the type tree to the end of the diagnostics.
OutStr.append(Tree.begin(), Tree.end());
}
StoredDiagnostic::StoredDiagnostic() { }

View File

@ -2203,6 +2203,8 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA,
Args.AddLastArg(CmdArgs, options::OPT_fno_limit_debug_info);
Args.AddLastArg(CmdArgs, options::OPT_fno_operator_names);
Args.AddLastArg(CmdArgs, options::OPT_faltivec);
Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_show_template_tree);
Args.AddLastArg(CmdArgs, options::OPT_fno_elide_type);
// Report and error for -faltivec on anything other then PowerPC.
if (const Arg *A = Args.getLastArg(options::OPT_faltivec))

View File

@ -1349,6 +1349,8 @@ bool clang::ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args,
Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info);
Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits);
Opts.VerifyDiagnostics = Args.hasArg(OPT_verify);
Opts.ElideType = !Args.hasArg(OPT_fno_elide_type);
Opts.ShowTemplateTree = Args.hasArg(OPT_fdiagnostics_show_template_tree);
Opts.ErrorLimit = Args.getLastArgIntValue(OPT_ferror_limit, 0, Diags);
Opts.MacroBacktraceLimit
= Args.getLastArgIntValue(OPT_fmacro_backtrace_limit,

View File

@ -31,12 +31,29 @@ static const enum raw_ostream::Colors caretColor =
raw_ostream::GREEN;
static const enum raw_ostream::Colors warningColor =
raw_ostream::MAGENTA;
static const enum raw_ostream::Colors templateColor =
raw_ostream::CYAN;
static const enum raw_ostream::Colors errorColor = raw_ostream::RED;
static const enum raw_ostream::Colors fatalColor = raw_ostream::RED;
// Used for changing only the bold attribute.
static const enum raw_ostream::Colors savedColor =
raw_ostream::SAVEDCOLOR;
/// \brief Add highlights to differences in template strings.
static void applyTemplateHighlighting(raw_ostream &OS, StringRef Str,
bool &Normal) {
for (unsigned i = 0, e = Str.size(); i < e; ++i)
if (Str[i] != ToggleHighlight) {
OS << Str[i];
} else {
if (Normal)
OS.changeColor(templateColor, true);
else
OS.resetColor();
Normal = !Normal;
}
}
/// \brief Number of spaces to indent when word-wrapping.
const unsigned WordWrapIndentation = 6;
@ -578,6 +595,7 @@ static bool printWordWrapped(raw_ostream &OS, StringRef Str,
unsigned Column = 0,
unsigned Indentation = WordWrapIndentation) {
const unsigned Length = std::min(Str.find('\n'), Str.size());
bool TextNormal = true;
// The string used to indent each line.
SmallString<16> IndentStr;
@ -601,7 +619,8 @@ static bool printWordWrapped(raw_ostream &OS, StringRef Str,
OS << ' ';
Column += 1;
}
OS << Str.substr(WordStart, WordLength);
applyTemplateHighlighting(OS, Str.substr(WordStart, WordLength),
TextNormal);
Column += WordLength;
continue;
}
@ -610,13 +629,16 @@ static bool printWordWrapped(raw_ostream &OS, StringRef Str,
// line.
OS << '\n';
OS.write(&IndentStr[0], Indentation);
OS << Str.substr(WordStart, WordLength);
applyTemplateHighlighting(OS, Str.substr(WordStart, WordLength),
TextNormal);
Column = Indentation + WordLength;
Wrapped = true;
}
// Append any remaning text from the message with its existing formatting.
OS << Str.substr(Length);
applyTemplateHighlighting(OS, Str.substr(Length), TextNormal);
assert(TextNormal && "Text highlighted at end of diagnostic message.");
return Wrapped;
}

View File

@ -54,6 +54,10 @@ void clang::ProcessWarningOptions(DiagnosticsEngine &Diags,
Diags.setShowOverloads(
static_cast<DiagnosticsEngine::OverloadsShown>(Opts.ShowOverloads));
Diags.setElideType(Opts.ElideType);
Diags.setPrintTemplateTree(Opts.ShowTemplateTree);
Diags.setShowColors(Opts.ShowColors);
// Handle -ferror-limit
if (Opts.ErrorLimit)
Diags.setErrorLimit(Opts.ErrorLimit);

View File

@ -30,27 +30,6 @@ void test(Foo::foo* x) {
bar::f(x); // expected-error{{cannot initialize a parameter of type 'Foo::foo *' (aka 'bar::Foo::foo *') with an lvalue of type 'Foo::foo *'}}
}
// PR9548 - "no known conversion from 'vector<string>' to 'vector<string>'"
// vector<string> refers to two different types here. Make sure the message
// gives a way to tell them apart.
class versa_string;
typedef versa_string string;
namespace std {template <typename T> class vector;}
using std::vector;
void f(vector<string> v); // expected-note {{candidate function not viable: no known conversion from 'vector<string>' (aka 'std::vector<std::basic_string>') to 'vector<string>' (aka 'std::vector<versa_string>') for 1st argument}}
namespace std {
class basic_string;
typedef basic_string string;
template <typename T> class vector {};
void g() {
vector<string> v;
f(v); // expected-error{{no matching function for call to 'f'}}
}
}
namespace ns {
struct str {
static void method(struct data *) {}

View File

@ -0,0 +1,433 @@
// RUN: %clang_cc1 -fsyntax-only %s -std=c++11 2>&1 | FileCheck %s -check-prefix=CHECK-ELIDE-NOTREE
// RUN: %clang_cc1 -fsyntax-only %s -fno-elide-type -std=c++11 2>&1 | FileCheck %s -check-prefix=CHECK-NOELIDE-NOTREE
// RUN: %clang_cc1 -fsyntax-only %s -fdiagnostics-show-template-tree -std=c++11 2>&1 | FileCheck %s -check-prefix=CHECK-ELIDE-TREE
// RUN: %clang_cc1 -fsyntax-only %s -fno-elide-type -fdiagnostics-show-template-tree -std=c++11 2>&1 | FileCheck %s -check-prefix=CHECK-NOELIDE-TREE
// PR9548 - "no known conversion from 'vector<string>' to 'vector<string>'"
// vector<string> refers to two different types here. Make sure the message
// gives a way to tell them apart.
class versa_string;
typedef versa_string string;
namespace std {template <typename T> class vector;}
using std::vector;
void f(vector<string> v);
namespace std {
class basic_string;
typedef basic_string string;
template <typename T> class vector {};
void g() {
vector<string> v;
f(v);
}
} // end namespace std
// CHECK-ELIDE-NOTREE: no matching function for call to 'f'
// CHECK-ELIDE-NOTREE: candidate function not viable: no known conversion from 'vector<class std::basic_string>' to 'vector<class versa_string>' for 1st argument
// CHECK-NOELIDE-NOTREE: no matching function for call to 'f'
// CHECK-NOELIDE-NOTREE: candidate function not viable: no known conversion from 'vector<class std::basic_string>' to 'vector<class versa_string>' for 1st argument
// CHECK-ELIDE-TREE: no matching function for call to 'f'
// CHECK-ELIDE-TREE: candidate function not viable: no known conversion for 1st argument
// CHECK-ELIDE-TREE: vector<
// CHECK-ELIDE-TREE: [class std::basic_string != class versa_string]>
// CHECK-NOELIDE-TREE: no matching function for call to 'f'
// CHECK-NOELIDE-TREE: candidate function not viable: no known conversion for 1st argument
// CHECK-NOELIDE-TREE: vector<
// CHECK-NOELIDE-TREE: [class std::basic_string != class versa_string]>
template <int... A>
class I1{};
void set1(I1<1,2,3,4,2,3,4,3>) {};
void test1() {
set1(I1<1,2,3,4,2,2,4,3,7>());
}
// CHECK-ELIDE-NOTREE: no matching function for call to 'set1'
// CHECK-ELIDE-NOTREE: candidate function not viable: no known conversion from 'I1<[5 * ...], 2, [2 * ...], 7>' to 'I1<[5 * ...], 3, [2 * ...], (no argument)>' for 1st argument
// CHECK-NOELIDE-NOTREE: no matching function for call to 'set1'
// CHECK-NOELIDE-NOTREE: candidate function not viable: no known conversion from 'I1<1, 2, 3, 4, 2, 2, 4, 3, 7>' to 'I1<1, 2, 3, 4, 2, 3, 4, 3, (no argument)>' for 1st argument
// CHECK-ELIDE-TREE: no matching function for call to 'set1'
// CHECK-ELIDE-TREE: candidate function not viable: no known conversion for 1st argument
// CHECK-ELIDE-TREE: I1<
// CHECK-ELIDE-TREE: [5 * ...],
// CHECK-ELIDE-TREE: [2 != 3],
// CHECK-ELIDE-TREE: [2 * ...],
// CHECK-ELIDE-TREE: [7 != (no argument)]>
// CHECK-NOELIDE-TREE: no matching function for call to 'set1'
// CHECK-NOELIDE-TREE: candidate function not viable: no known conversion for 1st argument
// CHECK-NOELIDE-TREE: I1<
// CHECK-NOELIDE-TREE: 1,
// CHECK-NOELIDE-TREE: 2,
// CHECK-NOELIDE-TREE: 3,
// CHECK-NOELIDE-TREE: 4,
// CHECK-NOELIDE-TREE: 2,
// CHECK-NOELIDE-TREE: [2 != 3],
// CHECK-NOELIDE-TREE: 4,
// CHECK-NOELIDE-TREE: 3,
// CHECK-NOELIDE-TREE: [7 != (no argument)]>
template <class A, class B, class C = void>
class I2{};
void set2(I2<int, int>) {};
void test2() {
set2(I2<double, int, int>());
}
// CHECK-ELIDE-NOTREE: no matching function for call to 'set2'
// CHECK-ELIDE-NOTREE: candidate function not viable: no known conversion from 'I2<double, [...], int>' to 'I2<int, [...], (default) void>' for 1st argument
// CHECK-NOELIDE-NOTREE: no matching function for call to 'set2'
// CHECK-NOELIDE-NOTREE: candidate function not viable: no known conversion from 'I2<double, int, int>' to 'I2<int, int, (default) void>' for 1st argument
// CHECK-ELIDE-TREE: no matching function for call to 'set2'
// CHECK-ELIDE-TREE: candidate function not viable: no known conversion for 1st argument
// CHECK-ELIDE-TREE: I2<
// CHECK-ELIDE-TREE: [double != int],
// CHECK-ELIDE-TREE: [...],
// CHECK-ELIDE-TREE: [int != (default) void]>
// CHECK-NOELIDE-TREE: no matching function for call to 'set2'
// CHECK-NOELIDE-TREE: candidate function not viable: no known conversion for 1st argument
// CHECK-NOELIDE-TREE: I2<
// CHECK-NOELIDE-TREE: [double != int],
// CHECK-NOELIDE-TREE: int,
// CHECK-NOELIDE-TREE: [int != (default) void]>
int V1, V2, V3;
template <int* A, int *B>
class I3{};
void set3(I3<&V1, &V2>) {};
void test3() {
set3(I3<&V3, &V2>());
}
// CHECK-ELIDE-NOTREE: no matching function for call to 'set3'
// CHECK-ELIDE-NOTREE: candidate function not viable: no known conversion from 'I3<&V3, [...]>' to 'I3<&V1, [...]>' for 1st argument
// CHECK-NOELIDE-NOTREE: no matching function for call to 'set3'
// CHECK-NOELIDE-NOTREE: candidate function not viable: no known conversion from 'I3<&V3, &V2>' to 'I3<&V1, &V2>' for 1st argument
// CHECK-ELIDE-TREE: no matching function for call to 'set3'
// CHECK-ELIDE-TREE: candidate function not viable: no known conversion for 1st argument
// CHECK-ELIDE-TREE: I3<
// CHECK-ELIDE-TREE: [&V3 != &V1]
// CHECK-ELIDE-TREE: [...]>
// CHECK-NOELIDE-TREE: no matching function for call to 'set3'
// CHECK-NOELIDE-TREE: candidate function not viable: no known conversion for 1st argument
// CHECK-NOELIDE-TREE: I3<
// CHECK-NOELIDE-TREE: [&V3 != &V1]
// CHECK-NOELIDE-TREE: &V2>
template <class A, class B>
class Alpha{};
template <class A, class B>
class Beta{};
template <class A, class B>
class Gamma{};
template <class A, class B>
class Delta{};
void set4(Alpha<int, int>);
void test4() {
set4(Beta<void, void>());
}
// CHECK-ELIDE-NOTREE: no matching function for call to 'set4'
// CHECK-ELIDE-NOTREE: candidate function not viable: no known conversion from 'Beta<void, void>' to 'Alpha<int, int>' for 1st argument
// CHECK-NOELIDE-NOTREE: no matching function for call to 'set4'
// CHECK-NOELIDE-NOTREE: candidate function not viable: no known conversion from 'Beta<void, void>' to 'Alpha<int, int>' for 1st argument
// CHECK-ELIDE-TREE: no matching function for call to 'set4'
// CHECK-ELIDE-TREE: candidate function not viable: no known conversion from 'Beta<void, void>' to 'Alpha<int, int>' for 1st argument
// CHECK-NOELIDE-TREE: no matching function for call to 'set4'
// CHECK-NOELIDE-TREE: candidate function not viable: no known conversion from 'Beta<void, void>' to 'Alpha<int, int>' for 1st argument
void set5(Alpha<Beta<Gamma<Delta<int, int>, int>, int>, int>);
void test5() {
set5(Alpha<Beta<Gamma<void, void>, double>, double>());
}
// CHECK-ELIDE-NOTREE: no matching function for call to 'set5'
// CHECK-ELIDE-NOTREE: candidate function not viable: no known conversion from 'Alpha<Beta<Gamma<void, void>, double>, double>' to 'Alpha<Beta<Gamma<Delta<int, int>, int>, int>, int>' for 1st argument
// CHECK-NOELIDE-NOTREE: no matching function for call to 'set5'
// CHECK-NOELIDE-NOTREE: candidate function not viable: no known conversion from 'Alpha<Beta<Gamma<void, void>, double>, double>' to 'Alpha<Beta<Gamma<Delta<int, int>, int>, int>, int>' for 1st argument
// CHECK-ELIDE-TREE: no matching function for call to 'set5'
// CHECK-ELIDE-TREE: candidate function not viable: no known conversion for 1st argument
// CHECK-ELIDE-TREE: Alpha<
// CHECK-ELIDE-TREE: Beta<
// CHECK-ELIDE-TREE: Gamma<
// CHECK-ELIDE-TREE: [void != Delta<int, int>],
// CHECK-ELIDE-TREE: [void != int]>
// CHECK-ELIDE-TREE: [double != int]>
// CHECK-ELIDE-TREE: [double != int]>
// CHECK-NOELIDE-TREE: no matching function for call to 'set5'
// CHECK-NOELIDE-TREE: candidate function not viable: no known conversion for 1st argument
// CHECK-NOELIDE-TREE: Alpha<
// CHECK-NOELIDE-TREE: Beta<
// CHECK-NOELIDE-TREE: Gamma<
// CHECK-NOELIDE-TREE: [void != Delta<int, int>],
// CHECK-NOELIDE-TREE: [void != int]>
// CHECK-NOELIDE-TREE: [double != int]>
// CHECK-NOELIDE-TREE: [double != int]>
void test6() {
set5(Alpha<Beta<Delta<int, int>, int>, int>());
}
// CHECK-ELIDE-NOTREE: no matching function for call to 'set5'
// CHECK-ELIDE-NOTREE: candidate function not viable: no known conversion from 'Alpha<Beta<Delta<int, int>, [...]>, [...]>' to 'Alpha<Beta<Gamma<Delta<int, int>, int>, [...]>, [...]>' for 1st argument
// CHECK-NOELIDE-NOTREE: no matching function for call to 'set5'
// CHECK-NOELIDE-NOTREE: candidate function not viable: no known conversion from 'Alpha<Beta<Delta<int, int>, int>, int>' to 'Alpha<Beta<Gamma<Delta<int, int>, int>, int>, int>' for 1st argument
// CHECK-ELIDE-TREE: no matching function for call to 'set5'
// CHECK-ELIDE-TREE: candidate function not viable: no known conversion for 1st argument
// CHECK-ELIDE-TREE: Alpha<
// CHECK-ELIDE-TREE: Beta<
// CHECK-ELIDE-TREE: [Delta<int, int> != Gamma<Delta<int, int>, int>],
// CHECK-ELIDE-TREE: [...]>
// CHECK-ELIDE-TREE: [...]>
// CHECK-NOELIDE-TREE: no matching function for call to 'set5'
// CHECK-NOELIDE-TREE: candidate function not viable: no known conversion for 1st argument
// CHECK-NOELIDE-TREE: Alpha<
// CHECK-NOELIDE-TREE: Beta<
// CHECK-NOELIDE-TREE: [Delta<int, int> != Gamma<Delta<int, int>, int>],
// CHECK-NOELIDE-TREE: int>
// CHECK-NOELIDE-TREE: int>
int a7, b7;
int c7[] = {1,2,3};
template<int *A>
class class7 {};
void set7(class7<&a7> A) {}
void test7() {
set7(class7<&a7>());
set7(class7<&b7>());
set7(class7<c7>());
set7(class7<nullptr>());
}
// CHECK-ELIDE-NOTREE: no matching function for call to 'set7'
// CHECK-ELIDE-NOTREE: candidate function not viable: no known conversion from 'class7<&b7>' to 'class7<&a7>' for 1st argument;
// CHECK-ELIDE-NOTREE: no matching function for call to 'set7'
// CHECK-ELIDE-NOTREE: candidate function not viable: no known conversion from 'class7<c7>' to 'class7<&a7>' for 1st argument;
// CHECK-ELIDE-NOTREE: no matching function for call to 'set7'
// CHECK-ELIDE-NOTREE: candidate function not viable: no known conversion from 'class7<nullptr>' to 'class7<&a7>' for 1st argument;
// CHECK-NOELIDE-NOTREE: no matching function for call to 'set7'
// CHECK-NOELIDE-NOTREE: candidate function not viable: no known conversion from 'class7<&b7>' to 'class7<&a7>' for 1st argument;
// CHECK-NOELIDE-NOTREE: no matching function for call to 'set7'
// CHECK-NOELIDE-NOTREE: candidate function not viable: no known conversion from 'class7<c7>' to 'class7<&a7>' for 1st argument;
// CHECK-NOELIDE-NOTREE: no matching function for call to 'set7'
// CHECK-NOELIDE-NOTREE: candidate function not viable: no known conversion from 'class7<nullptr>' to 'class7<&a7>' for 1st argument;
// CHECK-ELIDE-TREE: no matching function for call to 'set7'
// CHECK-ELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-ELIDE-TREE: class7<
// CHECK-ELIDE-TREE: [&b7 != &a7]>
// CHECK-ELIDE-TREE: no matching function for call to 'set7'
// CHECK-ELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-ELIDE-TREE: class7<
// CHECK-ELIDE-TREE: [c7 != &a7]>
// CHECK-ELIDE-TREE: no matching function for call to 'set7'
// CHECK-ELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-ELIDE-TREE: class7<
// CHECK-ELIDE-TREE: [nullptr != &a7]>
// CHECK-NOELIDE-TREE: no matching function for call to 'set7'
// CHECK-NOELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-NOELIDE-TREE: class7<
// CHECK-NOELIDE-TREE: [&b7 != &a7]>
// CHECK-NOELIDE-TREE: no matching function for call to 'set7'
// CHECK-NOELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-NOELIDE-TREE: class7<
// CHECK-NOELIDE-TREE: [c7 != &a7]>
// CHECK-NOELIDE-TREE: no matching function for call to 'set7'
// CHECK-NOELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-NOELIDE-TREE: class7<
// CHECK-NOELIDE-TREE: [nullptr != &a7]>
template<typename ...T> struct S8 {};
template<typename T> using U8 = S8<int, char, T>;
int f8(S8<int, char, double>);
int k8 = f8(U8<char>());
// CHECK-ELIDE-NOTREE: no matching function for call to 'f8'
// CHECK-ELIDE-NOTREE: candidate function not viable: no known conversion from 'S8<[2 * ...], char>' to 'S8<[2 * ...], double>' for 1st argument;
// CHECK-NOELIDE-NOTREE: no matching function for call to 'f8'
// CHECK-NOELIDE-NOTREE: candidate function not viable: no known conversion from 'S8<int, char, char>' to 'S8<int, char, double>' for 1st argument;
// CHECK-ELIDE-TREE: no matching function for call to 'f8'
// CHECK-ELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-ELIDE-TREE: S8<
// CHECK-ELIDE-TREE: [2 * ...],
// CHECK-ELIDE-TREE: [char != double]>
// CHECK-NOELIDE-TREE: no matching function for call to 'f8'
// CHECK-NOELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-NOELIDE-TREE: S8<
// CHECK-NOELIDE-TREE: int,
// CHECK-NOELIDE-TREE: char,
// CHECK-NOELIDE-TREE: [char != double]>
template<typename ...T> struct S9 {};
template<typename T> using U9 = S9<int, char, T>;
template<typename T> using V9 = U9<U9<T>>;
int f9(S9<int, char, U9<const double>>);
int k9 = f9(V9<double>());
// CHECK-ELIDE-NOTREE: no matching function for call to 'f9'
// CHECK-ELIDE-NOTREE: candidate function not viable: no known conversion from 'S9<[2 * ...], S9<[2 * ...], double>>' to 'S9<[2 * ...], S9<[2 * ...], const double>>' for 1st argument;
// CHECK-NOELIDE-NOTREE: no matching function for call to 'f9'
// CHECK-NOELIDE-NOTREE: candidate function not viable: no known conversion from 'S9<int, char, S9<int, char, double>>' to 'S9<int, char, S9<int, char, const double>>' for 1st argument;
// CHECK-ELIDE-TREE: no matching function for call to 'f9'
// CHECK-ELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-ELIDE-TREE: S9<
// CHECK-ELIDE-TREE: [2 * ...],
// CHECK-ELIDE-TREE: S9<
// CHECK-ELIDE-TREE: [2 * ...],
// CHECK-ELIDE-TREE: [double != const double]>>
// CHECK-NOELIDE-TREE: no matching function for call to 'f9'
// CHECK-NOELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-NOELIDE-TREE: S9<
// CHECK-NOELIDE-TREE: int,
// CHECK-NOELIDE-TREE: char,
// CHECK-NOELIDE-TREE: S9<
// CHECK-NOELIDE-TREE: int,
// CHECK-NOELIDE-TREE: char,
// CHECK-NOELIDE-TREE: [double != const double]>>
template<typename ...A> class class_types {};
void set10(class_types<int, int>) {}
void test10() {
set10(class_types<int>());
set10(class_types<int, int, int>());
}
// CHECK-ELIDE-NOTREE: no matching function for call to 'set10'
// CHECK-ELIDE-NOTREE: candidate function not viable: no known conversion from 'class_types<[...], (no argument)>' to 'class_types<[...], int>' for 1st argument;
// CHECK-ELIDE-NOTREE: no matching function for call to 'set10'
// CHECK-ELIDE-NOTREE: candidate function not viable: no known conversion from 'class_types<[2 * ...], int>' to 'class_types<[2 * ...], (no argument)>' for 1st argument;
// CHECK-NOELIDE-NOTREE: no matching function for call to 'set10'
// CHECK-NOELIDE-NOTREE: candidate function not viable: no known conversion from 'class_types<int, (no argument)>' to 'class_types<int, int>' for 1st argument;
// CHECK-NOELIDE-NOTREE: no matching function for call to 'set10'
// CHECK-NOELIDE-NOTREE: candidate function not viable: no known conversion from 'class_types<int, int, int>' to 'class_types<int, int, (no argument)>' for 1st argument;
// CHECK-ELIDE-TREE: no matching function for call to 'set10'
// CHECK-ELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-ELIDE-TREE: class_types<
// CHECK-ELIDE-TREE: [...],
// CHECK-ELIDE-TREE: [(no argument) != int]>
// CHECK-ELIDE-TREE: no matching function for call to 'set10'
// CHECK-ELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-ELIDE-TREE: class_types<
// CHECK-ELIDE-TREE: [2 * ...],
// CHECK-ELIDE-TREE: [int != (no argument)]>
// CHECK-NOELIDE-TREE: no matching function for call to 'set10'
// CHECK-NOELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-NOELIDE-TREE: class_types<
// CHECK-NOELIDE-TREE: int,
// CHECK-NOELIDE-TREE: [(no argument) != int]>
// CHECK-NOELIDE-TREE: no matching function for call to 'set10'
// CHECK-NOELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-NOELIDE-TREE: class_types<
// CHECK-NOELIDE-TREE: int,
// CHECK-NOELIDE-TREE: int,
// CHECK-NOELIDE-TREE: [int != (no argument)]>
template<int ...A> class class_ints {};
void set11(class_ints<2, 3>) {}
void test11() {
set11(class_ints<1>());
set11(class_ints<0, 3, 6>());
}
// CHECK-ELIDE-NOTREE: no matching function for call to 'set11'
// CHECK-ELIDE-NOTREE: candidate function not viable: no known conversion from 'class_ints<1, (no argument)>' to 'class_ints<2, 3>' for 1st argument;
// CHECK-ELIDE-NOTREE: no matching function for call to 'set11'
// CHECK-ELIDE-NOTREE: candidate function not viable: no known conversion from 'class_ints<0, [...], 6>' to 'class_ints<2, [...], (no argument)>' for 1st argument;
// CHECK-NOELIDE-NOTREE: no matching function for call to 'set11'
// CHECK-NOELIDE-NOTREE: candidate function not viable: no known conversion from 'class_ints<1, (no argument)>' to 'class_ints<2, 3>' for 1st argument;
// CHECK-NOELIDE-NOTREE: no matching function for call to 'set11'
// CHECK-NOELIDE-NOTREE: candidate function not viable: no known conversion from 'class_ints<0, 3, 6>' to 'class_ints<2, 3, (no argument)>' for 1st argument;
// CHECK-ELIDE-TREE: no matching function for call to 'set11'
// CHECK-ELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-ELIDE-TREE: class_ints<
// CHECK-ELIDE-TREE: [1 != 2],
// CHECK-ELIDE-TREE: [(no argument) != 3]>
// CHECK-ELIDE-TREE: no matching function for call to 'set11'
// CHECK-ELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-ELIDE-TREE: class_ints<
// CHECK-ELIDE-TREE: [0 != 2],
// CHECK-ELIDE-TREE: [...],
// CHECK-ELIDE-TREE: [6 != (no argument)]>
// CHECK-NOELIDE-TREE: no matching function for call to 'set11'
// CHECK-NOELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-NOELIDE-TREE: class_ints<
// CHECK-NOELIDE-TREE: [1 != 2],
// CHECK-NOELIDE-TREE: [(no argument) != 3]>
// CHECK-NOELIDE-TREE: no matching function for call to 'set11'
// CHECK-NOELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-NOELIDE-TREE: class_ints<
// CHECK-NOELIDE-TREE: [0 != 2],
// CHECK-NOELIDE-TREE: 3,
// CHECK-NOELIDE-TREE: [6 != (no argument)]>
template<template<class> class ...A> class class_template_templates {};
template<class> class tt1 {};
template<class> class tt2 {};
void set12(class_template_templates<tt1, tt1>) {}
void test12() {
set12(class_template_templates<tt2>());
set12(class_template_templates<tt1, tt1, tt1>());
}
// CHECK-ELIDE-NOTREE: no matching function for call to 'set12'
// CHECK-ELIDE-NOTREE: candidate function not viable: no known conversion from 'class_template_templates<template tt2, template (no argument)>' to 'class_template_templates<template tt1, template tt1>' for 1st argument;
// CHECK-ELIDE-NOTREE: no matching function for call to 'set12'
// CHECK-ELIDE-NOTREE: candidate function not viable: no known conversion from 'class_template_templates<[2 * ...], template tt1>' to 'class_template_templates<[2 * ...], template (no argument)>' for 1st argument;
// CHECK-NOELIDE-NOTREE: no matching function for call to 'set12'
// CHECK-NOELIDE-NOTREE: candidate function not viable: no known conversion from 'class_template_templates<template tt2, template (no argument)>' to 'class_template_templates<template tt1, template tt1>' for 1st argument;
// CHECK-NOELIDE-NOTREE: no matching function for call to 'set12'
// CHECK-NOELIDE-NOTREE: candidate function not viable: no known conversion from 'class_template_templates<template tt1, template tt1, template tt1>' to 'class_template_templates<template tt1, template tt1, template (no argument)>' for 1st argument;
// CHECK-ELIDE-TREE: no matching function for call to 'set12'
// CHECK-ELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-ELIDE-TREE: class_template_templates<
// CHECK-ELIDE-TREE: [template tt2 != template tt1],
// CHECK-ELIDE-TREE: [template (no argument) != template tt1]>
// CHECK-ELIDE-TREE: no matching function for call to 'set12'
// CHECK-ELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-ELIDE-TREE: class_template_templates<
// CHECK-ELIDE-TREE: [2 * ...],
// CHECK-ELIDE-TREE: [template tt1 != template (no argument)]>
// CHECK-NOELIDE-TREE: no matching function for call to 'set12'
// CHECK-NOELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-NOELIDE-TREE: class_template_templates<
// CHECK-NOELIDE-TREE: [template tt2 != template tt1],
// CHECK-NOELIDE-TREE: [template (no argument) != template tt1]>
// CHECK-NOELIDE-TREE: no matching function for call to 'set12'
// CHECK-NOELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-NOELIDE-TREE: class_template_templates<
// CHECK-NOELIDE-TREE: template tt1,
// CHECK-NOELIDE-TREE: template tt1,
// CHECK-NOELIDE-TREE: [template tt1 != template (no argument)]>
double a13, b13, c13, d13;
template<double* ...A> class class_ptrs {};
void set13(class_ptrs<&a13, &b13>) {}
void test13() {
set13(class_ptrs<&c13>());
set13(class_ptrss<&a13, &b13, &d13>());
}
// CHECK-ELIDE-NOTREE: no matching function for call to 'set13'
// CHECK-ELIDE-NOTREE: candidate function not viable: no known conversion from 'class_ptrs<&c13, (no argument)>' to 'class_ptrs<&a13, &b13>' for 1st argument;
// CHECK-ELIDE-NOTREE: no matching function for call to 'set13'
// CHECK-ELIDE-NOTREE: candidate function not viable: no known conversion from 'class_ptrs<[2 * ...], &d13>' to 'class_ptrs<[2 * ...], (no argument)>' for 1st argument;
// CHECK-NOELIDE-NOTREE: no matching function for call to 'set13'
// CHECK-NOELIDE-NOTREE: candidate function not viable: no known conversion from 'class_ptrs<&c13, (no argument)>' to 'class_ptrs<&a13, &b13>' for 1st argument;
// CHECK-NOELIDE-NOTREE: no matching function for call to 'set13'
// CHECK-NOELIDE-NOTREE: candidate function not viable: no known conversion from 'class_ptrs<&a13, &b13, &d13>' to 'class_ptrs<&a13, &b13, (no argument)>' for 1st argument;
// CHECK-ELIDE-TREE: no matching function for call to 'set13'
// CHECK-ELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-ELIDE-TREE: class_ptrs<
// CHECK-ELIDE-TREE: [&c13 != &a13],
// CHECK-ELIDE-TREE: [(no argument) != &b13]>
// CHECK-ELIDE-TREE: no matching function for call to 'set13'
// CHECK-ELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-ELIDE-TREE: class_ptrs<
// CHECK-ELIDE-TREE: [2 * ...],
// CHECK-ELIDE-TREE: [&d13 != (no argument)]>
// CHECK-NOELIDE-TREE: no matching function for call to 'set13'
// CHECK-NOELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-NOELIDE-TREE: class_ptrs<
// CHECK-NOELIDE-TREE: [&c13 != &a13],
// CHECK-NOELIDE-TREE: [(no argument) != &b13]>
// CHECK-NOELIDE-TREE: no matching function for call to 'set13'
// CHECK-NOELIDE-TREE: candidate function not viable: no known conversion for 1st argument;
// CHECK-NOELIDE-TREE: class_ptrs<
// CHECK-NOELIDE-TREE: &a13,
// CHECK-NOELIDE-TREE: &b13,
// CHECK-NOELIDE-TREE: [&d13 != (no argument)]>
// CHECK-ELIDE-NOTREE: {{[0-9]*}} errors generated.
// CHECK-NOELIDE-NOTREE: {{[0-9]*}} errors generated.
// CHECK-ELIDE-TREE: {{[0-9]*}} errors generated.
// CHECK-NOELIDE-TREE: {{[0-9]*}} errors generated.