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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug bootstrap/97350] [11 Regression] Ada bootstrap fails with:
 self_referential_size, at stor-layout.c:172
Date: Tue, 13 Oct 2020 10:58:42 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97350

--- Comment #8 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Jan Hubicka from comment #7)
> Interesting, i get different ICE
> during GIMPLE pass: slp
> ../../gcc/ada/libgnat/s-os_lib.adb: In function
> =E2=80=98system__os_lib__normalize_pathname__missed_drive_letter=E2=80=99:
> ../../gcc/ada/libgnat/s-os_lib.adb:2133:7: internal compiler error: in
> vect_init_pattern_stmt, at tree-vect-patterns.c:115
>  2133 |       function Missed_Drive_Letter (Name : String) return Boolean=
 is
>       |       ^
> 0x6534d9 vect_init_pattern_stmt
>         ../../gcc/tree-vect-patterns.c:115
> 0x13e2913 vect_set_pattern_stmt
>         ../../gcc/tree-vect-patterns.c:133
> 0x13e2913 vect_mark_pattern_stmts
>         ../../gcc/tree-vect-patterns.c:5287
> 0x13e2913 vect_pattern_recog_1
>         ../../gcc/tree-vect-patterns.c:5403
> 0x13ef3a1 vect_pattern_recog(vec_info*)
>         ../../gcc/tree-vect-patterns.c:5543
> 0xcda2ce vect_slp_analyze_bb_1
>         ../../gcc/tree-vect-slp.c:3819
> 0xcda2ce vect_slp_region
>         ../../gcc/tree-vect-slp.c:3918
> 0xcda2ce vect_slp_bbs
>         ../../gcc/tree-vect-slp.c:4074
> 0xcdb9d8 vect_slp_function(function*)
>         ../../gcc/tree-vect-slp.c:4125
> 0xcdd085 execute
>         ../../gcc/tree-vectorizer.c:1432

That's PR95582=