[Bug debug/56510] [4.7/4.8 Regression] More var-tracking scalability problems

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=56510

--- Comment #14 from Jakub Jelinek <jakub at gcc dot gnu.org> 2013-03-05 22:31:56 UTC ---
Author: jakub
Date: Tue Mar  5 22:31:50 2013
New Revision: 196479

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=196479
Log:
    PR debug/56510
    * cfgexpand.c (expand_debug_parm_decl): Call copy_rtx on incoming.
    (avoid_complex_debug_insns): New function.
    (expand_debug_locations): Call it.

    * gcc.dg/pr56510.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr56510.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgexpand.c
    trunk/gcc/testsuite/ChangeLog