[Bug middle-end/53450] [4.8 Regression] ICE in compiling libiberty/cp-demangle.c with -O2 in int_mode_for_mode, at stor-layout.c:424

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=53450

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

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |WAITING
   Last reconfirmed|                            |2012-05-22
   Target Milestone|---                         |4.8.0
     Ever Confirmed|0                           |1

--- Comment #1 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-05-22 12:50:17 UTC ---
You have -ftree-vectorize enabled ... quickly trying with -O2 -ftree-vectrize
on cp-demangle.c works for me (and ISTR the int_mode_for_mode ICE ...).  Can
you attach preprocessed source?  Or try again?