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When the number of elements is zero, don't malloc 32GB on 64-bit systems.

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Fixes unexpected failures on FreeBSD/amd64 of:
  CFrontend/2005-09-24-BitFieldCrash.c:
  CFrontend/2007-02-04-EmptyStruct.c:
  CFrontend/2007-03-26-ZeroWidthBitfield.c:
  CodeGen/Generic/2005-10-18-ZeroSizeStackObject.ll:


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@35828 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jeff Cohen 2007-04-09 19:26:30 +00:00
parent 9101d8647f
commit 44f5fb46b0
1 changed files with 1 additions and 1 deletions
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lib/Target/TargetData.cpp
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@ -342,7 +342,7 @@ const StructLayout *TargetData::getStructLayout(const StructType *Ty) const {
// Otherwise, create the struct layout. Because it is variable length, we
// malloc it, then use placement new.
unsigned NumElts = Ty->getNumElements();
int NumElts = Ty->getNumElements();
StructLayout *L =
(StructLayout *)malloc(sizeof(StructLayout)+(NumElts-1)*sizeof(uint64_t));