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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/109005] [13 Regression] ICE during GIMPLE
 pass: ifcvt
Date: Tue, 07 Mar 2023 07:25:48 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D109005

--- Comment #14 from Richard Biener <rguenth at gcc dot gnu.org> ---
(In reply to Iain Sandoe from comment #10)
> with a debug build on darwin19:
> #2  0x000000010249e5a5 in make_ssa_name_fn (fn=3D0x11104b170, var=3D0x107=
71d1f8,
> stmt=3D0x0, version=3D0) at /src-local/gcc-master/gcc/tree-ssanames.cc:357
> 357	  gcc_assert (VAR_P (var)
> (gdb) p debug_tree(var)
>  <array_type 0x10771d1f8
>     type <integer_type 0x10711c348 character public unsigned QI
>         size <integer_cst 0x107102d38 constant 8>
>         unit-size <integer_cst 0x107102d50 constant 1>
>         align:8 warn_if_not_align:0 symtab:0 alias-set -1 canonical-type
> 0x10711c348 precision:8 min <integer_cst 0x107102d68 0> max <integer_cst
> 0x107102d08 255>
>         pointer_to_this <pointer_type 0x107180c78>>
>     QI size <integer_cst 0x107102d38 8> unit-size <integer_cst 0x107102d5=
0 1>
      ^^

That proves my suspicion in comment#5 and the suggested fix should work fin=
e.=