[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 #14 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #13)
> (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 ...

I think I have a fix for that too.