forked from OSchip/llvm-project
handle CXXFunctionalCastExpr in visitLValue and Environment.
llvm-svn: 120143
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7514633c26
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@ -78,6 +78,10 @@ SVal Environment::GetSVal(const Stmt *E, ValueManager& ValMgr) const {
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case Stmt::CXXBindTemporaryExprClass:
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E = cast<CXXBindTemporaryExpr>(E)->getSubExpr();
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continue;
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case Stmt::CXXFunctionalCastExprClass:
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E = cast<CXXFunctionalCastExpr>(E)->getSubExpr();
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continue;
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// Handle all other Stmt* using a lookup.
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default:
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@ -1158,6 +1158,18 @@ void GRExprEngine::VisitLValue(const Expr* Ex, ExplodedNode* Pred,
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break;
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}
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case Stmt::CXXConstructExprClass: {
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const CXXConstructExpr *expr = cast<CXXConstructExpr>(Ex);
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VisitCXXConstructExpr(expr, 0, Pred, Dst, true);
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break;
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}
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case Stmt::CXXFunctionalCastExprClass: {
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const CXXFunctionalCastExpr *expr = cast<CXXFunctionalCastExpr>(Ex);
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VisitLValue(expr->getSubExpr(), Pred, Dst);
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break;
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}
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case Stmt::CXXTemporaryObjectExprClass: {
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const CXXTemporaryObjectExpr *expr = cast<CXXTemporaryObjectExpr>(Ex);
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VisitCXXTemporaryObjectExpr(expr, Pred, Dst, true);
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@ -17,3 +17,14 @@ void f1() {
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}
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}
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void f2() {
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const A &x = A(3);
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if (x.getx() == 3) {
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int *p = 0;
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*p = 3; // expected-warning{{Dereference of null pointer}}
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} else {
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int *p = 0;
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*p = 3; // no-warning
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}
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}
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