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-rw-r--r--lib/Basic/Targets.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Basic/Targets.cpp b/lib/Basic/Targets.cpp
index 82f5df1cf1..dd167dca47 100644
--- a/lib/Basic/Targets.cpp
+++ b/lib/Basic/Targets.cpp
@@ -2054,7 +2054,7 @@ public:
std::string R;
switch (*Constraint) {
case 'U': // Two-character constraint; add "^" hint for later parsing.
- R = std::string("^") + Constraint;
+ R = std::string("^") + std::string(Constraint, 2);
Constraint++;
break;
default: