[Bug rtl-optimization/101562] [9/10/11/12 Regression] ICE in insert, at wide-int.cc:682

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101562

Jakub Jelinek <jakub at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Assignee|unassigned at gcc dot gnu.org      |jakub at gcc dot gnu.org
             Status|NEW                         |ASSIGNED

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 51193
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51193&action=edit
gcc12-pr101562.patch

Untested fix.

The documentation says that strict_low_part operand has to be a non-paradoxical
SUBREG, but in this case we for the UB in the source emit exactly that.