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-rw-r--r--lib/Target/X86/X86ISelLowering.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index fc30b13..8c09eec 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -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}" &&