[Bug rtl-optimization/68691] ICE at -O3 with -g enabled on x86_64-linux-gnu in alter_subregs, at lra-spills.c:610 (in 32-bit mode)

[ktkachov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68691

ktkachov at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2015-12-04
     Ever confirmed|0                           |1

--- Comment #2 from ktkachov at gcc dot gnu.org ---
Reproduces for me on x86_64-pc-linux-gnu built with --disable-multilib
--disable-bootstrap --enable-languages=c,c++,fortran with the flags -O3 -g
-m32.

My tree is based on r231167