[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 #13 from Jakub Jelinek <jakub at gcc dot gnu.org> 2011-12-01 
19:12:58 UTC ---
Author: jakub
Date: Thu Dec  1 19:12:54 2011
New Revision: 181890

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=181890
Log:
    PR debug/50317
    * tree-ssa-dce.c (remove_dead_stmt): Add a debug stmt when removing
    as unnecessary a store to a variable with gimple reg type.
    * tree-ssa-live.c (remove_unused_locals): Clear TREE_ADDRESSABLE bit
    on local unreferenced variables.
    * cfgexpand.c (expand_gimple_basic_block): Don't emit DEBUG_INSNs
    for !target_for_debug_bind variables.

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