[Bug bootstrap/55615] [4.8 Regression] Failed to bootstrap with --with-arch=core2 --with-cpu=atom

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55615

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> 2012-12-11 10:42:01 UTC ---
Author: jakub
Date: Tue Dec 11 10:41:44 2012
New Revision: 194392

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=194392
Log:
    PR middle-end/43631
    PR bootstrap/55615
    * var-tracking.c (emit_note_insn_var_location): If insn is followed
    by BARRIER, put note after the BARRIER.
    (next_non_note_insn_var_location): Skip over BARRIERs.
    (emit_notes_in_bb): If call is followed by BARRIER, put note after
    the BARRIER.

    * g++.dg/other/pr43631.C: New test.

Added:
    trunk/gcc/testsuite/g++.dg/other/pr43631.C
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/var-tracking.c