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For PR1202:

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Make sure we found an existing Alignment before overwriting it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34308 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Spencer 2007-02-15 18:34:36 +00:00
parent 5d4a9f7731
commit 16db3caba8
1 changed files with 2 additions and 1 deletions
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lib/Target/TargetData.cpp
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@ -245,7 +245,8 @@ TargetData::setAlignment(AlignTypeEnum align_type, unsigned char abi_align,
std::pair<align_iterator, align_iterator> ins_result =
std::equal_range(Alignments.begin(), Alignments.end(), elt);
align_iterator I = ins_result.first;
if (I->AlignType == align_type && I->TypeBitWidth == bit_width) {
if (I != Alignments.end() && I->AlignType == align_type &&
I->TypeBitWidth == bit_width) {
// Update the abi, preferred alignments.
I->ABIAlign = abi_align;
I->PrefAlign = pref_align;