[Bug fortran/49278] ICE (segfault) when combining DATA with default initialization

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49278

--- Comment #14 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> I think that 1 << 31 is undefined because "1" is assumed (signed) int.
> Maybe it should be 1u << 31 ?

I have tried it, but it does not work.

> Anyway on 6.1.0 I have no runtime error message.

This due to

#define bit_AVX512VL unsigned (1 << 31)

in gcc/config/i386/cpuid.h. AFAICT it is also present for gcc-6.