diff options
Diffstat (limited to 'lib/StaticAnalyzer/Core/ExprEngineC.cpp')
-rw-r--r-- | lib/StaticAnalyzer/Core/ExprEngineC.cpp | 44 |
1 files changed, 25 insertions, 19 deletions
diff --git a/lib/StaticAnalyzer/Core/ExprEngineC.cpp b/lib/StaticAnalyzer/Core/ExprEngineC.cpp index 2d52c01e1d..67aeab6003 100644 --- a/lib/StaticAnalyzer/Core/ExprEngineC.cpp +++ b/lib/StaticAnalyzer/Core/ExprEngineC.cpp @@ -403,26 +403,32 @@ void ExprEngine::VisitCompoundLiteralExpr(const CompoundLiteralExpr *CL, ExplodedNodeSet &Dst) { StmtNodeBuilder B(Pred, Dst, *currBldrCtx); - const InitListExpr *ILE - = cast<InitListExpr>(CL->getInitializer()->IgnoreParens()); + ProgramStateRef State = Pred->getState(); + const LocationContext *LCtx = Pred->getLocationContext(); + + const Expr *Init = CL->getInitializer(); + SVal V = State->getSVal(CL->getInitializer(), LCtx); - ProgramStateRef state = Pred->getState(); - SVal ILV = state->getSVal(ILE, Pred->getLocationContext()); - const LocationContext *LC = Pred->getLocationContext(); - state = state->bindCompoundLiteral(CL, LC, ILV); - - // Compound literal expressions are a GNU extension in C++. - // Unlike in C, where CLs are lvalues, in C++ CLs are prvalues, - // and like temporary objects created by the functional notation T() - // CLs are destroyed at the end of the containing full-expression. - // HOWEVER, an rvalue of array type is not something the analyzer can - // reason about, since we expect all regions to be wrapped in Locs. - // So we treat array CLs as lvalues as well, knowing that they will decay - // to pointers as soon as they are used. - if (CL->isGLValue() || CL->getType()->isArrayType()) - B.generateNode(CL, Pred, state->BindExpr(CL, LC, state->getLValue(CL, LC))); - else - B.generateNode(CL, Pred, state->BindExpr(CL, LC, ILV)); + if (isa<CXXConstructExpr>(Init)) { + // No work needed. Just pass the value up to this expression. + } else { + assert(isa<InitListExpr>(Init)); + Loc CLLoc = State->getLValue(CL, LCtx); + State = State->bindLoc(CLLoc, V); + + // Compound literal expressions are a GNU extension in C++. + // Unlike in C, where CLs are lvalues, in C++ CLs are prvalues, + // and like temporary objects created by the functional notation T() + // CLs are destroyed at the end of the containing full-expression. + // HOWEVER, an rvalue of array type is not something the analyzer can + // reason about, since we expect all regions to be wrapped in Locs. + // So we treat array CLs as lvalues as well, knowing that they will decay + // to pointers as soon as they are used. + if (CL->isGLValue() || CL->getType()->isArrayType()) + V = CLLoc; + } + + B.generateNode(CL, Pred, State->BindExpr(CL, LCtx, V)); } void ExprEngine::VisitDeclStmt(const DeclStmt *DS, ExplodedNode *Pred, |