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| author | Richard Smith <richard-llvm@metafoo.co.uk> | 2011-11-16 07:18:12 +0000 |
|---|---|---|
| committer | Richard Smith <richard-llvm@metafoo.co.uk> | 2011-11-16 07:18:12 +0000 |
| commit | b755a9da095d2f2f04444797f1e1a9511693815b (patch) | |
| tree | 88b70e3529191cf67ec4979bfca1f2e791f7eaa1 /lib/AST/ExprConstant.cpp | |
| parent | 42583320cf7977fd474572b9fe78e13eaf45fb8f (diff) | |
Fix PR11385: A pointer constant expression which has been cast via an integer is
not safely derived. Don't allow lvalue-to-rvalue conversions on the result of
dereferencing such a pointer.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@144783 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/AST/ExprConstant.cpp')
| -rw-r--r-- | lib/AST/ExprConstant.cpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/lib/AST/ExprConstant.cpp b/lib/AST/ExprConstant.cpp index 1451fd1119..699d81715e 100644 --- a/lib/AST/ExprConstant.cpp +++ b/lib/AST/ExprConstant.cpp @@ -3197,6 +3197,7 @@ bool IntExprEvaluator::VisitCastExpr(const CastExpr *E) { if (Info.Ctx.getTypeSize(DestType) != Info.Ctx.getTypeSize(SrcType)) return false; + LV.Designator.setInvalid(); LV.moveInto(Result); return true; } |