diff options
-rw-r--r-- | llvm/lib/Support/StringRef.cpp | 3 | ||||
-rw-r--r-- | llvm/unittests/ADT/StringRefTest.cpp | 3 |
2 files changed, 5 insertions, 1 deletions
diff --git a/llvm/lib/Support/StringRef.cpp b/llvm/lib/Support/StringRef.cpp index 7503fac240a..51e0394d8bd 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; diff --git a/llvm/unittests/ADT/StringRefTest.cpp b/llvm/unittests/ADT/StringRefTest.cpp index 4249f231481..40ab4e038b8 100644 --- a/llvm/unittests/ADT/StringRefTest.cpp +++ b/llvm/unittests/ADT/StringRefTest.cpp @@ -571,7 +571,8 @@ TEST(StringRefTest, getAsInteger) { static const char* BadStrings[] = { - "18446744073709551617" // value just over max + "" // empty string + , "18446744073709551617" // value just over max , "123456789012345678901" // value way too large , "4t23v" // illegal decimal characters , "0x123W56" // illegal hex characters |