[Bug lto/47497] [4.6 Regression] SPEC CPU 2006 failed to link with LTO -fuse-linker-plugin -fwhole-program

["hubicka at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47497

--- Comment #20 from Jan Hubicka <hubicka at gcc dot gnu.org> 2011-03-04 18:49:27 UTC ---
Author: hubicka
Date: Fri Mar  4 18:49:23 2011
New Revision: 170682

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=170682
Log:
    PR lto/47497
    * lto-symtab.c (lto_cgraph_replace_node): Do not set thunk.alias.
    (lto_symtab_merge_cgraph_nodes_1): Update thunk.alias pointers here.
    * cgraph.h (cgraph_same_body_alias, cgraph_add_thunk): Add node pointers.
    * cgraph.c (cgraph_same_body_alias_1, cgraph_same_body_alias,
    cgraph_add_thunk): Add node pointers.
    * lto-cgraph.c (lto_output_node): Verify that thunks&aliases are
    associated to right node.
    (input_node): Update use of cgraph_same_body_alias
    and cgraph_add_thunk.

    * optimize.c (maybe_clone_body): Update call of cgraph_same_body_alias
    and cgraph_add_thunk.
    * method.c (make_alias_for_thunk, use_thunk): Likewise.
    * mangle.c (mangle_decl): Likewise.

Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/cgraph.c
    trunk/gcc/cgraph.h
    trunk/gcc/cp/ChangeLog
    trunk/gcc/cp/mangle.c
    trunk/gcc/cp/method.c
    trunk/gcc/cp/optimize.c
    trunk/gcc/lto-cgraph.c
    trunk/gcc/lto-symtab.c