https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84864
--- Comment #8 from Andrew Pinski <pinskia at gcc dot gnu.org> --- >From my notes of the duplicated bug: clang does not use negative line numbers: <source>:2147483648:9: warning: A1 [-W#pragma-messages] But MSVC does: <source>(-2147483648): warning C4081: expected '('; found 'string' ICC does not either: <source>(2147483650): error #77: this declaration has no storage class or type specifier a ^