Revert Fission patches r182490, r182891, r183042, and r183320.

Revert Fission patches r182490, r182891, r183042, and r183320.
This will clear the way to backport the final patches from trunk.

2012-06-15   Cary Coutant  <ccoutant@google.com>

    r182490:

	gcc/c-family/

	2011-12-19  Sterling Augustine <saugustine@google.com>

	    * c-pretty-print.c (pp_c_specifier_qualifier_list): Move conditional
	    from beginning to end.

	gcc/cp/

	2011-12-19  Sterling Augustine <saugustine@google.com>

	    * error.c (dump_decl): Reformat return value to "(anonymous namespace)".
	    (lang_decl_name): Return "(anonymous namespace)" when appropriate.

	gcc/

	2011-12-19  Sterling Augustine <saugustine@google.com>

	    * dwarf2out.c (DEBUG_PUBNAMES_SECTION_LABEL,
	    DEBUG_PUBTYPES_SECTION_LABEL): Define.
	    (debug_pubnames_section_label, debug_pubtypes_section_label):
	    Declare.
	    (is_namespace_die, is_class_die): New functions.
	    (add_enumerator_pubname): New function.
	    (add_pubname): Call is_namespace_die, is_cu_die, and is_class_die in
	    conditional.
	    (add_pubtype): Call is_namespace_die. Rework name calculation.  Call
	    type_tag, lang_hooks.dwarf_name and add_enumerator_pubname.
	    (output_pubnames): Output debug_pubnames_section_label or
	    debug_pubtypes_section_label.
	    (base_type_die): Call add_pubtype.
	    (gen_namespace_die): Call add_pubname_string and lang_hooks.dwarf_name.
	    (dwarf2_out_init): Generate debug_pubnames_section_label and
	    debug_pubtypes_section_label.
	    (pubtypes_section_empty): New function.
	    (dwarf2_out_finish): Call add_AT_lineptr if pubnames or pubtypes is
	    non-empty.  When dealing with pubnames, change assertion to conditional.
	    Call pubtypes_section_empty.  Likewise when dealing with pubtypes.
	    Move code checking for empty section to...
	    (pubtypes_section_empty): Here.
	    * target.def: Switch boolean to enable pubnames and pubtypes.

    r182891:

	gcc/

	2012-01-04   Sterling Augustine  <saugustine@google.com>

	    * dwarf2out.c (add_pubname): Move conditional clause from outer to
	    inner if-statement.
	    (dwarf2out_finish): Fix conditions to output DW_AT_GNU_pubnames and
	    DW_AT_GNU_pubtypes.  Move decision to output pubnames and pubtypes from
	    here...
	    (output_pubnames): ...to here.
	    (pubtypes_section_empty): Delete unused function.

	gcc/testsuite/

	2012-01-04   Sterling Augustine  <saugustine@google.com>

	    * g++.dg/diagnostic/bindings1.C: Adjust expected output.
	    * g++.dg/ext/pretty3.C: Likewise.
	    * g++.dg/pr44486.C: Likewise.
	    * g++.dg/warn/Wuninitializable-member.C: Likewise.
	    * g++.dg/warn/pr35711.C: Likewise.
	    * g++.old-deja/g++.pt/memtemp77.C: Likewise.

    r183042:

	gcc/

	2012-01-09   Sterling Augustine  <saugustine@google.com>

	    * dwarf2out.c (output_pubnames): Add check for info_section_emitted.

    r183320:

	gcc/

	2012-01-19   Sterling Augustine  <saugustine@google.com>

	    * dwarf2out.c (break_out_comdat_types): Add DW_AT_GNU_pubnames and
	    DW_AT_GNU_pubtypes attributes.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/google@188848 138bc75d-0d04-0410-961f-82ee72b054a4