[Bug middle-end/55263] [4.8 Regression] ICE: pre_and_rev_post_order_compute, at cfganal.c:875 with -O -fgcse-after-reload -fnon-call-exceptions

[steven at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55263



--- Comment #3 from Steven Bosscher <steven at gcc dot gnu.org> 2012-11-11 
20:29:15 UTC ---

Author: steven

Date: Sun Nov 11 20:29:11 2012

New Revision: 193412



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=193412

Log:

gcc/

    PR middle-end/55263

    * postreload.c (rest_of_handle_postreload): With non-call exceptions,

    if edges are purged call cleanup_cfg to remove unreachable blocks.



testsuite/

    PR middle-end/55263

    * g++.dg/pr55263.C: New test.





Added:

    trunk/gcc/testsuite/g++.dg/pr55263.C

Modified:

    trunk/gcc/ChangeLog

    trunk/gcc/postreload.c

    trunk/gcc/testsuite/ChangeLog