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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/112831] [14 Regression] ICE: tree check:
 expected class 'type', have 'exceptional' (error_mark) in
 type_has_mode_precision_p, at tree.h:6767
Date: Sun, 03 Dec 2023 21:29:03 +0000
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X-Bugzilla-Component: tree-optimization
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X-Bugzilla-Keywords: ice-on-valid-code
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D112831

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2023-12-03

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Confirmed, reduced slightly more:
```
int a, b;
char c;
void e() {
  for (; c; c++) {
        int t;
    b =3D 0;
    for (; b <=3D 7; b++)
      ;
    for (; (short)(t + b) + a; a++)
      ;
  }
}
```


0x1ace576 generic_simplify_CONVERT_EXPR(unsigned int, tree_code, tree_node*,
tree_node*)
        ???:0
0x1042d3f fold_unary_loc(unsigned int, tree_code, tree_node*, tree_node*)
        ???:0
0x10443cc fold_build1_loc(unsigned int, tree_code, tree_node*, tree_node*)
        ???:0
0x1529c9d analyze_scalar_evolution(loop*, tree_node*)
        ???:0
0x15e5575 estimate_numbers_of_iterations(loop*)
        ???:0
0x15e83b9 scev_probably_wraps_p(tree_node*, tree_node*, tree_node*, gimple*,
loop*, bool)
        ???:0=