https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95707
anlauf at gcc dot gnu.org changed: What |Removed |Added ---------------------------------------------------------------------------- Last reconfirmed| |2020-06-16 Ever confirmed|0 |1 CC| |anlauf at gcc dot gnu.org Status|UNCONFIRMED |NEW Priority|P3 |P4 --- Comment #1 from anlauf at gcc dot gnu.org --- The ICE is fixed by the patch: diff --git a/gcc/fortran/gfortran.h b/gcc/fortran/gfortran.h index c12a8bef277..836e0b3063d 100644 --- a/gcc/fortran/gfortran.h +++ b/gcc/fortran/gfortran.h @@ -1677,8 +1677,8 @@ typedef struct gfc_common_head char use_assoc, saved, threadprivate; unsigned char omp_declare_target : 1; unsigned char omp_declare_target_link : 1; - /* Provide sufficient space to hold "symbol.eq.1234567890". */ - char name[GFC_MAX_SYMBOL_LEN + 1 + 14]; + /* Provide sufficient space to hold "symbol.symbol.eq.1234567890". */ + char name[2*GFC_MAX_SYMBOL_LEN + 1 + 14 + 1]; struct gfc_symbol *head; const char* binding_label; int is_bind_c; However, I then get a possibly unrelated error: pr95707.f90:8:73: 8 | n2345678901234567890123456789012345678901234567890123456789_123 | 1 Warning: Named COMMON block 'm2345678901234567890123456789012345678901234567890123456789_123.n2345678901234567890123456789012345678901234567890123456789_123.eq.1' at (1) shall be of the same size as elsewhere (24 vs 32 bytes)