[analyzer] print() JSONify: Constructing objects implementation
Summary: - Reviewers: NoQ, xazax.hun, ravikandhadai, baloghadamsoftware, Szelethus Reviewed By: NoQ Subscribers: szepet, rnkovacs, a.sidorin, mikhail.ramalho, donat.nagy, dkrupp Tags: #clang Differential Revision: https://reviews.llvm.org/D62085 llvm-svn: 361980
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@ -376,10 +376,10 @@ public:
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const LocationContext *LCtx,
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const CallEvent *Call) override;
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/// printState - Called by ProgramStateManager to print checker-specific data.
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void printState(raw_ostream &Out, ProgramStateRef State,
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const LocationContext *LCtx, const char *NL,
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unsigned int Space, bool IsDot) const override;
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/// printJson - Called by ProgramStateManager to print checker-specific data.
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void printJson(raw_ostream &Out, ProgramStateRef State,
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const LocationContext *LCtx, const char *NL,
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unsigned int Space, bool IsDot) const override;
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ProgramStateManager &getStateManager() override { return StateMgr; }
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@ -158,10 +158,10 @@ public:
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const CallEvent *Call,
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RegionAndSymbolInvalidationTraits &HTraits) = 0;
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/// printState - Called by ProgramStateManager to print checker-specific data.
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virtual void printState(raw_ostream &Out, ProgramStateRef State,
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const LocationContext *LCtx, const char *NL,
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unsigned int Space, bool IsDot) const = 0;
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/// printJson - Called by ProgramStateManager to print checker-specific data.
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virtual void printJson(raw_ostream &Out, ProgramStateRef State,
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const LocationContext *LCtx, const char *NL,
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unsigned int Space, bool IsDot) const = 0;
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/// Called by CoreEngine when the analysis worklist is either empty or the
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// maximum number of analysis steps have been reached.
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@ -33,6 +33,7 @@
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#include "clang/Analysis/ConstructionContext.h"
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#include "clang/Analysis/ProgramPoint.h"
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#include "clang/Basic/IdentifierTable.h"
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#include "clang/Basic/JsonSupport.h"
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#include "clang/Basic/LLVM.h"
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#include "clang/Basic/LangOptions.h"
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#include "clang/Basic/PrettyStackTrace.h"
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@ -141,21 +142,47 @@ public:
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return getLocationContext()->getDecl()->getASTContext();
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}
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void print(llvm::raw_ostream &OS, PrinterHelper *Helper, PrintingPolicy &PP) {
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OS << "(LC" << getLocationContext()->getID() << ',';
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if (const Stmt *S = getItem().getStmtOrNull())
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OS << 'S' << S->getID(getASTContext());
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void printJson(llvm::raw_ostream &Out, PrinterHelper *Helper,
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PrintingPolicy &PP) const {
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const Stmt *S = getItem().getStmtOrNull();
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const CXXCtorInitializer *I = nullptr;
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if (!S)
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I = getItem().getCXXCtorInitializer();
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// IDs
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Out << "\"lctx_id\": " << getLocationContext()->getID() << ", ";
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if (S)
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Out << "\"stmt_id\": " << S->getID(getASTContext());
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else
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OS << 'I' << getItem().getCXXCtorInitializer()->getID(getASTContext());
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OS << ',' << getItem().getKindAsString();
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Out << "\"init_id\": " << I->getID(getASTContext());
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// Kind
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Out << ", \"kind\": \"" << getItem().getKindAsString()
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<< "\", \"argument_index\": ";
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if (getItem().getKind() == ConstructionContextItem::ArgumentKind)
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OS << " #" << getItem().getIndex();
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OS << ") ";
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if (const Stmt *S = getItem().getStmtOrNull()) {
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S->printPretty(OS, Helper, PP);
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Out << getItem().getIndex() << '\"';
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else
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Out << "null";
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// Pretty-print
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Out << ", \"pretty\": \"";
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if (S) {
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llvm::SmallString<256> TempBuf;
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llvm::raw_svector_ostream TempOut(TempBuf);
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// See whether the current statement is pretty-printable.
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S->printPretty(TempOut, Helper, PP);
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if (!TempBuf.empty()) {
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Out << TempBuf.str().trim() << '\"';
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TempBuf.clear();
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} else {
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Out << "null";
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}
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} else {
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const CXXCtorInitializer *I = getItem().getCXXCtorInitializer();
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OS << I->getAnyMember()->getNameAsString();
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Out << I->getAnyMember()->getNameAsString() << '\"';
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}
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}
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@ -541,33 +568,69 @@ ExprEngine::processRegionChanges(ProgramStateRef state,
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LCtx, Call);
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}
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static void printObjectsUnderConstructionForContext(raw_ostream &Out,
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ProgramStateRef State,
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const char *NL,
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const LocationContext *LC) {
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static void
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printObjectsUnderConstructionJson(raw_ostream &Out, ProgramStateRef State,
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const char *NL, const LocationContext *LCtx,
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unsigned int Space = 0, bool IsDot = false) {
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PrintingPolicy PP =
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LC->getAnalysisDeclContext()->getASTContext().getPrintingPolicy();
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for (auto I : State->get<ObjectsUnderConstruction>()) {
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ConstructedObjectKey Key = I.first;
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SVal Value = I.second;
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if (Key.getLocationContext() != LC)
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LCtx->getAnalysisDeclContext()->getASTContext().getPrintingPolicy();
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++Space;
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bool HasItem = false;
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// Store the last key.
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const ConstructedObjectKey *LastKey = nullptr;
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for (const auto &I : State->get<ObjectsUnderConstruction>()) {
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const ConstructedObjectKey &Key = I.first;
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if (Key.getLocationContext() != LCtx)
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continue;
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Key.print(Out, nullptr, PP);
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Out << " : " << Value << NL;
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if (!HasItem) {
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Out << "[" << NL;
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HasItem = true;
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}
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LastKey = &Key;
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}
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for (const auto &I : State->get<ObjectsUnderConstruction>()) {
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const ConstructedObjectKey &Key = I.first;
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SVal Value = I.second;
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if (Key.getLocationContext() != LCtx)
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continue;
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Indent(Out, Space, IsDot) << "{ ";
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Key.printJson(Out, nullptr, PP);
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Out << ", \"value\": \"" << Value << "\" }";
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if (&Key != LastKey)
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Out << ',';
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Out << NL;
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}
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if (HasItem)
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Indent(Out, --Space, IsDot) << ']'; // End of "location_context".
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else {
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Out << "null ";
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}
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}
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void ExprEngine::printState(raw_ostream &Out, ProgramStateRef State,
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const LocationContext *LCtx, const char *NL,
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unsigned int Space, bool IsDot) const {
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if (LCtx) {
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if (!State->get<ObjectsUnderConstruction>().isEmpty()) {
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Out << "Objects under construction:" << NL;
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void ExprEngine::printJson(raw_ostream &Out, ProgramStateRef State,
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const LocationContext *LCtx, const char *NL,
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unsigned int Space, bool IsDot) const {
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Indent(Out, Space, IsDot) << "\"constructing_objects\": ";
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LCtx->printJson(Out, NL, Space, IsDot, [&](const LocationContext *LC) {
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printObjectsUnderConstructionForContext(Out, State, NL, LC);
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});
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}
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if (LCtx && !State->get<ObjectsUnderConstruction>().isEmpty()) {
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++Space;
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Out << '[' << NL;
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LCtx->printJson(Out, NL, Space, IsDot, [&](const LocationContext *LC) {
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printObjectsUnderConstructionJson(Out, State, NL, LC, Space, IsDot);
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});
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--Space;
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Indent(Out, Space, IsDot) << "]," << NL; // End of "constructing_objects".
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} else {
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Out << "null," << NL;
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}
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getCheckerManager().runCheckersForPrintState(Out, State, NL, "");
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@ -458,7 +458,7 @@ void ProgramState::printJson(raw_ostream &Out, const LocationContext *LCtx,
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printDynamicTypeInfoJson(Out, this, NL, Space, IsDot);
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// Print checker-specific data.
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Mgr.getOwningEngine().printState(Out, this, LCtx, NL, Space, IsDot);
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Mgr.getOwningEngine().printJson(Out, this, LCtx, NL, Space, IsDot);
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}
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void ProgramState::printDOT(raw_ostream &Out, const LocationContext *LCtx,
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@ -16,7 +16,9 @@ void foo() {
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T t;
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}
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// CHECK: (LC1,S{{[0-9]*}},construct into local variable) T t;\n : &t
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// CHECK: (LC2,I{{[0-9]*}},construct into member variable) s : &t-\>s
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// CHECK: conj_$5\{int, LC3, no stmt, #1\}
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// CHECK: \"constructing_objects\": [\l \{ \"location_context\": \"#0 Call\", \"calling\": \"foo\", \"call_line\": null, \"items\": [\l \{ \"lctx_id\": 1, \"stmt_id\": 1155, \"kind\": \"construct into local variable\", \"argument_index\": null, \"pretty\": \"T t;\"
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// CHECK: \"constructing_objects\": [\l \{ \"location_context\": \"#0 Call\", \"calling\": \"T::T\", \"call_line\": \"16\", \"items\": [\l \{ \"lctx_id\": 2, \"init_id\": 1092, \"kind\": \"construct into member variable\", \"argument_index\": null, \"pretty\": \"s\", \"value\": \"&t-\>s\"
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// CHECK: \"store\": [\l \{ \"cluster\": \"t\", \"items\": [\l \{ \"kind\": \"Default\", \"offset\": 0, \"value\": \"conj_$3\{int, LC3, no stmt, #1\}\"
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@ -37,3 +37,4 @@ void foo(int x) {
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// CHECK-NEXT: { "symbol": "reg_$0<int x>", "range": "{ [-2147483648, 13] }" }
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// CHECK-NEXT: ],
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// CHECK-NEXT: "dynamic_types": null,
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// CHECK-NEXT: "constructing_objects": null,
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