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bb #1879.

Port LLVM commit r98349:
Author: d0k
Date: Fri Mar 12 07:54:59 2010
New Revision: 98349

Log:
Use StringRef::substr instead of std::string::substr to avoid using a free'd
string temporary. This should fix PR6590.

Török Edvin authored on 2010/03/25 01:23:01
Showing 1 changed files

libclamav/c++/llvm/lib/Target/X86/X86ISelLowering.cpp

History View file @ 854576c

@@ -9851,7 +9851,8 @@ 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}" &&