[Bug fortran/89079] "Invalid compiler error: Segmentation fault" in module with "equivalence" statement

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89079

--- Comment #5 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> The line it's stuck on seems to be:
> #0  0x00000001004fcf20 in build_common_decl (is_init=false, 
> union_type=<optimized out>, com=0x60013e1f0) at 
> /usr/src/debug/gcc-7.4.0-1/gcc/fortran/trans-common.c:463
> 463           attributes = gfc_add_attributes_to_decl (com->head->attr, 
> NULL_TREE);

I don't see such a line in my gcc sources.