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Enhance return-of-stack-address checker to recognize regions created by alloca().

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llvm-svn: 58553
This commit is contained in:
Ted Kremenek
2008-11-02 00:35:25 +00:00
parent 9bf363979d
commit b9b794d60b
1 changed files with 9 additions and 0 deletions
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9
clang/lib/Analysis/GRExprEngineInternalChecks.cpp
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@@ -216,6 +216,15 @@ public:
R = CL->getSourceRange();
}
else if (const AllocaRegion* AR = dyn_cast<AllocaRegion>(V.getRegion())) {
const Expr* ARE = AR->getExpr();
SourceLocation L = ARE->getLocStart();
R = ARE->getSourceRange();
os << "Address of stack memory allocated by call to alloca() on line "
<< BR.getSourceManager().getLogicalLineNumber(L)
<< " returned.";
}
else {
os << "Address of stack memory associated with local variable '"
<< V.getRegion()->getString() << "' returned.";