[Bug c/109618] ICE: tree check: expected class ‘type’, have ‘exceptional’ (error_mark) in generic_simplify_CONVERT_EXPR, at generic-match.cc

[rguenth at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109618

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2023-04-25

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
Confirmed.  We're folding

 <nop_expr 0x7ffff6fdc420
    type <integer_type 0x7ffff6e51000 sizetype public unsigned DI
        size <integer_cst 0x7ffff6e32d98 constant 64>
        unit-size <integer_cst 0x7ffff6e32db0 constant 8>
        align:64 warn_if_not_align:0 symtab:0 alias-set -1 canonical-type
0x7ffff6e51000 precision:64 min <integer_cst 0x7ffff6e32dc8 0> max <integer_cst
0x7ffff6e334c0 18446744073709551615>>
    readonly
    arg:0 <var_decl 0x7ffff6e40cf0 var_1 type <error_mark 0x7ffff6e32d80>
        readonly used unsigned read SI t.c:3:22
        size <integer_cst 0x7ffff6e32fd8 constant 32>
        unit-size <integer_cst 0x7ffff6e55000 constant 4>
        align:32 warn_if_not_align:0 context <function_decl 0x7ffff6fe0400 foo>
initial <integer_cst 0x7ffff6fe9960 2>>>

to a size_type_node.