add a hack to allow parsing negative minint. rdar://7751341
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98442 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/MC/MCParser/AsmLexer.cpp b/lib/MC/MCParser/AsmLexer.cpp
index 482eefd..22c8d76 100644
--- a/lib/MC/MCParser/AsmLexer.cpp
+++ b/lib/MC/MCParser/AsmLexer.cpp
@@ -140,8 +140,14 @@
StringRef Result(TokStart, CurPtr - TokStart);
long long Value;
- if (Result.getAsInteger(10, Value))
- return ReturnError(TokStart, "Invalid decimal number");
+ if (Result.getAsInteger(10, Value)) {
+ // We have to handle minint_as_a_positive_value specially, because
+ // - minint_as_a_positive_value = minint and it is valid.
+ if (Result == "9223372036854775808")
+ Value = -9223372036854775808ULL;
+ else
+ return ReturnError(TokStart, "Invalid decimal number");
+ }
return AsmToken(AsmToken::Integer, Result, Value);
}