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[ms-cxxabi] Add "$$C" when mangling template arg QualTypes 

Credit goes to Timur Iskhodzhanov for finding the problem and solution.

llvm-svn: 179093
This commit is contained in:
Reid Kleckner 2013-04-09 12:47:38 +00:00
parent 090301e009
commit 5fdaac15ec
2 changed files with 18 additions and 2 deletions
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8
clang/lib/AST/MicrosoftMangle.cpp
View File

@ -824,9 +824,13 @@ MicrosoftCXXNameMangler::mangleTemplateArgs(const TemplateDecl *TD,
switch (TA.getKind()) {
case TemplateArgument::Null:
llvm_unreachable("Can't mangle null template arguments!");
case TemplateArgument::Type:
mangleType(TA.getAsType(), SourceRange());
case TemplateArgument::Type: {
QualType T = TA.getAsType();
if (T.hasQualifiers())
Out << "$$C";
mangleType(T, SourceRange());
break;
}
case TemplateArgument::Declaration:
mangle(cast<NamedDecl>(TA.getAsDecl()), "$1?");
break;

12
clang/test/CodeGenCXX/mangle-ms-templates.cpp
View File

@ -35,6 +35,18 @@ void template_mangling() {
c1.method();
// CHECK: call {{.*}} @"\01?method@?$Class@VTypename@@@@QAEXXZ"
Class<const Typename> c1_const;
Class<volatile Typename> c1_volatile;
Class<const volatile Typename> c1_cv;
c1_const.method();
c1_volatile.method();
c1_cv.method();
// Types with qualifiers have an extra $$C escape when used as template
// arguments. Not sure why.
// CHECK: call {{.*}} @"\01?method@?$Class@$$CBVTypename@@@@QAEXXZ"
// CHECK: call {{.*}} @"\01?method@?$Class@$$CCVTypename@@@@QAEXXZ"
// CHECK: call {{.*}} @"\01?method@?$Class@$$CDVTypename@@@@QAEXXZ"
Class<Nested<Typename> > c2;
c2.method();
// CHECK: call {{.*}} @"\01?method@?$Class@V?$Nested@VTypename@@@@@@QAEXXZ"