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
^
