[Bug rtl-optimization/54455] [4.7/4.8 Regression] ICE: RTL check: expected elt 3 type 'B', have '0' (rtx barrier) in compute_bb_for_insn, at cfgrtl.c:418

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=54455

--- Comment #14 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-09-06 
07:29:24 UTC ---
Author: jakub
Date: Thu Sep  6 07:29:12 2012
New Revision: 191013

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191013
Log:
    PR rtl-optimization/54455
    * sel-sched-ir.c (maybe_tidy_empty_bb): Give up if previous fallthru
    bb ends up with asm goto referencing bb's label.

    * gcc.dg/54455.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/54455.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/sel-sched-ir.c
    trunk/gcc/testsuite/ChangeLog