1 files changed, 5 insertions, 1 deletions
diff --git a/clang/lib/Lex/LiteralSupport.cpp b/clang/lib/Lex/LiteralSupport.cpp
index 2108408377fb..9a852141c6ee 100644
--- a/clang/lib/Lex/LiteralSupport.cpp
+++ b/clang/lib/Lex/LiteralSupport.cpp
@@ -1051,7 +1051,11 @@ NumericLiteralParser::GetFloatValue(llvm::APFloat &Result) {
     Str = Buffer;
   }
 
-  return Result.convertFromString(Str, APFloat::rmNearestTiesToEven);
+  auto StatusOrErr =
+      Result.convertFromString(Str, APFloat::rmNearestTiesToEven);
+  assert(StatusOrErr && "Invalid floating point representation");
+  return !errorToBool(StatusOrErr.takeError()) ? *StatusOrErr
+                                               : APFloat::opInvalidOp;
 }
 
 static inline bool IsExponentPart(char c) {