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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c/109598] [12/13/14 Regression] ICE: tree check: expected
 array_type, have error_mark in array_ref_low_bound, at tree.cc
Date: Mon, 24 Apr 2023 18:19:29 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109598

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Target Milestone|---                         |14.0
            Summary|ICE: tree check: expected   |[12/13/14 Regression] ICE:
                   |array_type, have error_mark |tree check: expected
                   |in array_ref_low_bound, at  |array_type, have error_mark
                   |tree.cc                     |in array_ref_low_bound, at
                   |                            |tree.cc

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Martin Li=C5=A1ka from comment #2)
> Started with r12-3278-g823685221de986.

I figured that caused this issue.=20

> it would be nice if the frontend wouldn't emit

If the C front-end had its own AST, then it would be easier but it does not.
Maybe we should not gimplify things if there was an error (from the front-e=
nd);
that might help.=