[Bug debug/50317] [4.7 Regression] missing DW_OP_GNU_implicit_pointer

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=50317

--- Comment #15 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-12-03 
16:40:05 UTC ---
Author: jakub
Date: Sat Dec  3 16:39:56 2011
New Revision: 181971

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181971
Log:
    PR debug/50317
    * tree-ssa.c (target_for_debug_bind): Also allow is_gimple_reg_type
    vars that aren't referenced.
    (tree-ssa-live.c (remove_unused_locals): Don't clear TREE_ADDRESSABLE
    of unreferenced local vars.
    * cfgexpand.c (expand_debug_expr): For DEBUG_IMPLICIT_PTR allow also
    TREE_ADDRESSABLE vars that satisfy target_for_debug_bind.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cfgexpand.c
    trunk/gcc/tree-ssa-live.c
    trunk/gcc/tree-ssa.c