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-rw-r--r--llvm/lib/Support/StringRef.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/llvm/lib/Support/StringRef.cpp b/llvm/lib/Support/StringRef.cpp
index 7503fac..51e0394 100644
--- a/llvm/lib/Support/StringRef.cpp
+++ b/llvm/lib/Support/StringRef.cpp
@@ -351,6 +351,9 @@ size_t StringRef::count(StringRef Str) const {
}
static unsigned GetAutoSenseRadix(StringRef &Str) {
+ if (Str.empty())
+ return 10;
+
if (Str.startswith("0x") || Str.startswith("0X")) {
Str = Str.substr(2);
return 16;