[Bug preprocessor/97577] [11/12 Regression] ICE: Segmentation fault (in get_location_from_adhoc_loc) by r11-4128

[asolokha at gmx dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97577

--- Comment #4 from Arseny Solokha <asolokha at gmx dot com> ---
% MALLOC_PERTURB_=1 MALLOC_CHECK_=3 gcc-12.0.0 -c tt.c
tt.c:5:9: error: #if with no expression
    5 | #if M1()
      |         ^
tt.c:7:9: internal compiler error: Segmentation fault
    7 | #pragma pack()
      |         ^~~~

(in get_data_from_adhoc_loc).