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| author | Eli Friedman <eli.friedman@gmail.com> | 2009-04-20 03:21:44 +0000 |
|---|---|---|
| committer | Eli Friedman <eli.friedman@gmail.com> | 2009-04-20 03:21:44 +0000 |
| commit | 8f426fa9fca022201fc0944d6c1cb2cf9918db7d (patch) | |
| tree | 19dd83209223e634e5dcc04fce47035c45e85d16 /lib/CodeGen/CGExprScalar.cpp | |
| parent | 0a095fb9f9962e3ea668b046c314555478fd9aa6 (diff) | |
PR3248: Make sure the evaluate the operand of a sizeof when it has a VLA type.
Adapted from patch by Tim Northover.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@69566 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/CodeGen/CGExprScalar.cpp')
| -rw-r--r-- | lib/CodeGen/CGExprScalar.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp index 98c41e24b6..0c6e6c6854 100644 --- a/lib/CodeGen/CGExprScalar.cpp +++ b/lib/CodeGen/CGExprScalar.cpp @@ -725,6 +725,10 @@ ScalarExprEmitter::VisitSizeOfAlignOfExpr(const SizeOfAlignOfExpr *E) { if (E->isArgumentType()) { // sizeof(type) - make sure to emit the VLA size. CGF.EmitVLASize(TypeToSize); + } else { + // C99 6.5.3.4p2: If the argument is an expression of type + // VLA, it is evaluated. + CGF.EmitAnyExpr(E->getArgumentExpr()); } return CGF.GetVLASize(VAT); |