[Bug fortran/48776] ICE(segfault) after -std=f95 diagnostic error involving PROCEDURE

[dominiq at lps dot ens.fr]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=48776

--- Comment #5 from Dominique d'Humieres <dominiq at lps dot ens.fr> ---
> So this PR seems to be another instance of non-deterministic error recovery.

Yet another instance of

==2863==ERROR: AddressSanitizer: heap-use-after-free on address 0x613000002588
at pc 0x0001004e9eab bp 0x7ffeefbfe690 sp 0x7ffeefbfe688
READ of size 8 at 0x613000002588 thread T0
    #0 0x1004e9eaa in gfc_sym_get_dummy_args(gfc_symbol*) symbol.c:5215
...

related to pr52622, pr84245, pr86657, and pr87908.