[Bug debug/46252] [4.6 Regression] -fcompare-debug failure (length) with -O -frerun-cse-after-loop -fno-tree-loop-optimize -funroll-loops

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46252

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> 2010-11-03 
08:38:45 UTC ---
Author: jakub
Date: Wed Nov  3 08:38:42 2010
New Revision: 166232

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=166232
Log:
    PR debug/46252
    * reload1.c (delete_dead_insn): Use prev_active_insn instead of
    prev_real_insn.
    * gcse.c (insert_insn_end_basic_block): Likewise.

    * gcc.dg/pr46252.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr46252.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/gcse.c
    trunk/gcc/reload1.c
    trunk/gcc/testsuite/ChangeLog