[Bug rtl-optimization/51495] [4.7 Regression] ICE: in force_nonfallthru_and_redirect, at cfgrtl.c:1171 with computed goto

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51495

--- Comment #5 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-12-12 
21:00:39 UTC ---
Author: jakub
Date: Mon Dec 12 21:00:36 2011
New Revision: 182265

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=182265
Log:
    PR rtl-optimization/51495
    * function.c (thread_prologue_and_epilogue_insns): Don't add
    to bb_tail basic blocks that have EDGE_COMPLEX predecessor edges
    from basic blocks not needing prologue.

    * gcc.c-torture/compile/pr51495.c: New test.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr51495.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/function.c
    trunk/gcc/testsuite/ChangeLog