[Bug debug/49841] [4.7 regression] AIX bootstrap failure in dwarf2cfi.c:maybe_record_trace_start

[rth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49841

--- Comment #4 from Richard Henderson <rth at gcc dot gnu.org> 2011-07-25 
22:53:29 UTC ---
Author: rth
Date: Mon Jul 25 22:53:25 2011
New Revision: 176773

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=176773
Log:
PR debug/49841
    * config/rs6000/rs6000.c (rs6000_frame_related): Return the insn.
    (emit_frame_save): Likewise.
    (rs6000_emit_prologue): Move the FRAME_RELATED_EXPR from the save
    insn onto a dummy blockage insn after the join label.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/rs6000/rs6000.c