[Bug rtl-optimization/48389] [4.5/4.6/4.7 Regression] ICE: in make_edges, at cfgbuild.c:319 with -mtune=pentiumpro

[matz at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48389

--- Comment #12 from Michael Matz <matz at gcc dot gnu.org> 2011-04-08 20:18:14 UTC ---
Author: matz
Date: Fri Apr  8 20:18:08 2011
New Revision: 172208

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=172208
Log:
    PR middle-end/48389
    * jump.c (rebuild_jump_labels_1, rebuild_jump_labels_chain): New
    functions.
    (rebuild_jump_labels): Call rebuild_jump_labels_1.
    * rtl.h (rebuild_jump_labels_chain): Declare.
    * cfgexpand.c (gimple_expand_cfg): Initialize JUMP_LABEL also on
        insns inserted on edges.

testsuite/
    * gcc.target/i386/pr48389.c: New test.

Added:
    trunk/gcc/testsuite/gcc.target/i386/pr48389.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgexpand.c
    trunk/gcc/jump.c
    trunk/gcc/rtl.h
    trunk/gcc/testsuite/ChangeLog