[MS] Move hex long long sign compat hack to -fms-compatibility

Treating large 0x*LL literals as signed instead of unsigned is not a
conforming language extension, so move it out of -fms-extensions.

Came up in PR30605

llvm-svn: 283227

1 files changed, 1 insertions, 1 deletions

diff --git a/clang/lib/Sema/SemaExpr.cpp b/clang/lib/Sema/SemaExpr.cpp
index 76d88c1d261..bf2ee03a0d5 100644
--- a/clang/lib/Sema/SemaExpr.cpp
+++ b/clang/lib/Sema/SemaExpr.cpp
@@ -3518,7 +3518,7 @@ ExprResult Sema::ActOnNumericConstant(const Token &Tok, Scope *UDLScope) {
           // To be compatible with MSVC, hex integer literals ending with the
           // LL or i64 suffix are always signed in Microsoft mode.
           if (!Literal.isUnsigned && (ResultVal[LongLongSize-1] == 0 ||
-              (getLangOpts().MicrosoftExt && Literal.isLongLong)))
+              (getLangOpts().MSVCCompat && Literal.isLongLong)))
             Ty = Context.LongLongTy;
           else if (AllowUnsigned)
             Ty = Context.UnsignedLongLongTy;