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Use StringRef::substr instead of std::string::substr to avoid using a free'd

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string temporary. This should fix PR6590.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98349 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Benjamin Kramer 2010-03-12 13:54:59 +00:00
parent bb2f0c541c
commit 018cbd5ddf
1 changed files with 2 additions and 1 deletions
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3
lib/Target/X86/X86ISelLowering.cpp
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@ -9837,7 +9837,8 @@ bool X86TargetLowering::ExpandInlineAsm(CallInst *CI) const {
AsmPieces[2] == "${0:w}" &&
IA->getConstraintString().compare(0, 5, "=r,0,") == 0) {
AsmPieces.clear();
SplitString(IA->getConstraintString().substr(5), AsmPieces, ",");
const std::string &Constraints = IA->getConstraintString();
SplitString(StringRef(Constraints).substr(5), AsmPieces, ",");
std::sort(AsmPieces.begin(), AsmPieces.end());
if (AsmPieces.size() == 4 &&
AsmPieces[0] == "~{cc}" &&