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-rw-r--r--llvm/lib/AsmParser/Lexer.l2
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/AsmParser/Lexer.l b/llvm/lib/AsmParser/Lexer.l
index e9996b28295..b4910ec5172 100644
--- a/llvm/lib/AsmParser/Lexer.l
+++ b/llvm/lib/AsmParser/Lexer.l
@@ -111,7 +111,7 @@ NInteger -[0-9]+
/* FPConstant - A Floating point constant.
TODO: Expand lexer to support 10e50 FP constant notation */
-FPConstant [0-9]+[.][0-9]*
+FPConstant -?[0-9]+[.][0-9]*
%%
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