https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71946
Andrew Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Target Milestone|4.9.4 |---
Summary|FD_ZERO macro parsing error |asm in toplevel lambda
|in lambda function. |function rejected
Severity|major |normal
--- Comment #5 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Reduced testcase:
auto test = []{ __asm__ __volatile__ ("" : : "r" (0) ); };
Looks like the C++ front-end is parsing the inline-asm as a toplevel inline-asm
and rejecting extended inline-asm.