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| author | Fariborz Jahanian <fjahanian@apple.com> | 2012-06-06 22:58:50 +0000 |
|---|---|---|
| committer | Fariborz Jahanian <fjahanian@apple.com> | 2012-06-06 22:58:50 +0000 |
| commit | 30775778897112f79b6641e98c2722d306053f0b (patch) | |
| tree | 9374226e3b6fdcc864b6cf305a42135cbfc716d5 /lib/CodeGen | |
| parent | 369558b6d8390899a8ae8074b363d9ecd1d66726 (diff) | |
When doing arithmatic on vla pointer, make sure
to emit vla size to prevent an irgen crash.
// rdar://11485774
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@158117 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/CGExprScalar.cpp | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp index e0265545be..fa7b136831 100644 --- a/lib/CodeGen/CGExprScalar.cpp +++ b/lib/CodeGen/CGExprScalar.cpp @@ -1970,6 +1970,9 @@ static Value *emitPointerArithmetic(CodeGenFunction &CGF, QualType elementType = pointerType->getPointeeType(); if (const VariableArrayType *vla = CGF.getContext().getAsVariableArrayType(elementType)) { + // arithmatic on VLA pointer - make sure to emit the VLA size. + CGF.EmitVariablyModifiedType(elementType); + // The element count here is the total number of non-VLA elements. llvm::Value *numElements = CGF.getVLASize(vla).first; |