[Bug rtl-optimization/123267] [16 Regression] ICE building libstdc++-v3/src/c++20/tzdb.cc

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123267

--- Comment #13 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #12)
> Still some ICEs in the testsuite:
> +FAIL: gcc.c-torture/compile/pr80422.c   -O1  (internal compiler error: in
> maybe_legitimize_operand, at optabs.cc:8248)
> 
> +FAIL: gcc.dg/torture/pr68248.c   -O1  (internal compiler error: in
> maybe_legitimize_operand, at optabs.cc:8248)

(gdb) p debug_rtx(a)
(ashiftrt:SI (reg/v:SI 100 [ p1 ])
    (subreg:QI (reg:SI 98 [ a.0_1 ]) 0))



3191      target = gen_reg_rtx (mode);

That mode is wrong here ...