re PR lto/45949 (ICE: SIGSEGV in gimple_default_def (tree-dfa.c:538) with -flto/-fwhopr on invalid code)

2010-11-30  Richard Guenther  <rguenther@suse.de>

	PR lto/45949
	* cgraphunit.c (ipa_passes): Stop after errors from
	small IPA passes.

From-SVN: r167291

From-SVN: r167290

2010-11-30  Tobias Burnus  <burnus@net-b.de>

        * acinclude.m4 (LIBGOMP_CHECK_SYNC_BUILTINS,
        LIBGOMP_CHECK_ATTRIBUTE_VISIBILITY,
        LIBGOMP_CHECK_ATTRIBUTE_DLLEXPORT): Remove.

From-SVN: r167289

2010-11-30  Laurynas Biveinis  <laurynas.biveinis@gmail.com>

	* ggc-zone.c (ggc_pch_read): Fix conditional compilation.
	* ggc-none.c (ggc_internal_alloc_zone_stat)
	(ggc_internal_cleared_alloc_zone_stat): New.

From-SVN: r167284

rs6000.c (rs6000_reg_live_or_pic_offset_p): Check TARGET_SINGLE_PIC_BASE for RS6000_PIC_OFFSET_TABLE_REGNUM.

	* config/rs6000/rs6000.c (rs6000_reg_live_or_pic_offset_p): Check
	TARGET_SINGLE_PIC_BASE for RS6000_PIC_OFFSET_TABLE_REGNUM.
	(rs6000_emit_prologue): Don't set PIC register if
	TARGET_SINGLE_PIC_BASE.
	* config/rs6000/rs6000.opt (msingle-pic-base): New option.
	* doc/invoke.texi (msingle-pic-base): Document.

From-SVN: r167283

From-SVN: r167282

From-SVN: r167278

2010-11-29  Nicola Pero  <nicola.pero@meta-innovation.com>
	    Mike Stump  <mikestump@comcast.net>

	Allow 'make check-objc -j2'
	* Make-lang.in (lang_checks_parallelized): New.
	(check_objc_parallelize): New.

Co-Authored-By: Mike Stump <mikestump@comcast.net>

From-SVN: r167277

2010-11-29  H.J. Lu  <hongjiu.lu@intel.com>

	PR driver/46712
	* exec-tool.in (id): New.
	Check and export LT_RCU_$id instead of LT_RCU.

From-SVN: r167275

In gcc/objc/:
2010-11-29  Nicola Pero  <nicola.pero@meta-innovation.com>

	* objc-act.c (start_class): When a class is reimplemented,
	generate an error and avoid adding the class to the list of
	implemented classes again, but do not return error_mark_node.

In gcc/testsuite/:
2010-11-29  Nicola Pero  <nicola.pero@meta-innovation.com>

	* objc.dg/duplicate-class-1.m: New.
	* obj-c++.dg/duplicate-class-1.mm: New.

From-SVN: r167270

In gcc/objc/:
2010-11-29  Nicola Pero  <nicola.pero@meta-innovation.com>

	* objc-act.c (objc_maybe_build_component_ref): Removed TODO.

In gcc/testsuite/:
2010-11-29  Nicola Pero  <nicola.pero@meta-innovation.com>

	* objc.dg/property/dotsyntax-21.m
	* obj-c++.dg/property/dotsyntax-21.mm

From-SVN: r167269

PR debug/46338
* g++.dg/debug/pr46338.C: New.

From-SVN: r167263

2010-11-29  Kai Tietz  <kai.tietz@onevision.com>

        * configure: Regenerated.
        * Makefile.in: Regenerated.
        * configure.ac (ACX_NONCANONICAL_TARGET): Call it.
        (target_alias): Use AC_SUBST for it.
        (GCC_NO_EXECUTABLES): Call it.
        (AC_PROG_CC): Improve multilib handling.
        Check that gcc is used for compilation.
        Use pattern from libssp for symbol versioning checking.
        * Makefile.am (LTLDFLAGS): Removed.
        (libquadmath_la_LDFLAGS): Add -no-undefined.
        (libquadmath_la_LINK): Commented out.
        (libquadmath_la_DEPENDENCIES): Add libquadmath_la_LIBADD.
        (AM_MAKEFLAGS): Add hack for argument passing by top-level.
        (MAKEOVERRIDES): New.
        * aclocal.m4: Regenerated.

From-SVN: r167259

2010-11-29  Zdenek Dvorak  <rakdver@kam.uniff.cz>

	PR tree-optimization/46675
	* tree-ssa-loop-niter.c (split_to_var_and_offset): Avoid overflow
	in offset calculation.

testsuite/ChangeLog:

2010-11-29  Richard Guenther  <rguenther@suse.de>
	    Zdenek Dvorak  <rakdver@kam.uniff.cz>

	PR tree-optimization/46675
	* gcc.dg/pr46675.c: New test.

From-SVN: r167256

From-SVN: r167255

gcc/testsuite:

	* gcc/testsuite/objc.dg/strings-1.m: Move to...
	* gcc/testsuite/objc.dg/strings/strings-1.m: ... here. Update paths.
	* gcc/testsuite/objc.dg/strings-2.m: Move to ...
	* gcc/testsuite/objc.dg/strings/strings-2.m ... here, provide a 
	constructor and class reference for NeXT runtime.  Update paths.
	* gcc/testsuite/obj-c++.dg/strings-1.m: Move to...
	* gcc/testsuite/obj-c++.dg/strings/strings-1.m: ... here. Update paths.
	* gcc/testsuite/obj-c++.dg/strings-2.m: Move to ...
	* gcc/testsuite/obj-c__.dg/strings/strings-2.m ... here, provide a 
	constructor and class reference for NeXT runtime.  Update paths.

From-SVN: r167253

2010-11-29  Richard Henderson  <rth@redhat.com>
	    Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* src/x86/sysv.S (FDE_ENCODING, FDE_ENCODE): Define.
	(.eh_frame): Use FDE_ENCODING.
	(.LASFDE1, .LASFDE2, LASFDE3): Simplify with FDE_ENCODE.

Co-Authored-By: Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>

From-SVN: r167251

gcc/cp/
	c++/42260
	* call.c (add_builtin_candidate): At this point the resulting type
	of an indirection operator should be complete.

gcc/testsuite/
	c++/42260
	c++/45383
	* g++.dg/conversion/cast2.C: New test.
	* g++.dg/conversion/cond4/C: Likewise. Ensures we don't regress on
	PR c++/45383

From-SVN: r167250

re PR c++/45383 (Implicit conversion to pointer does no longer automatically generate operator== and operator!=.)

Fix PR c++/45383

Reverting the fix for PR c++/42260 fixes c++/45383.
This reverts commit r155415.

gcc/cp/
	Reverted patch for PR c++/42260
	* cp-tree.h (lookup_conversions): Reverted "Add new bool parameter to
	declarationE."
	* search.c (lookup_conversion): Reverted "Use new bool parameter in
	definition".
	* call.c (add_builtin_candidates): Reverted "Don't lookup template
          conversion"
	(convert_class_to_reference, build_user_type_conversion_1,
	 build_op_call): Reverted "Adjust".
	* cvt.c (build_expr_type_conversion): Reverted "Likewise".

gcc/testsuite/
	Reverted patch for PR c++/42260
	* conversion/cast2.C: Reverted New test.

From-SVN: r167248

gcc/
	* dwarf2out.c (print_die): Print the address of the current DIE or
	of any DIE referenced by the current one.

From-SVN: r167247

re PR debug/46101 (ICE: in build_abbrev_table, at dwarf2out.c:10333 with -feliminate-dwarf2-dups -g)

Fix PR debug/46101

gcc/
	* dwarf2out.c (lookup_type_die_strip_naming_typedef): New
	function.
	(scope_die_for, gen_type_die_for_member): Replace uses of
	lookup_type_die with use of lookup_type_die_strip_naming_typedef.

gcc/testsuite/
	* g++.dg/debug/dwarf2/typedef5.C: New test

From-SVN: r167246

gcc:
	* config/darwin.c (darwin_mergeable_string_section): Remove blank line.
	(darwin_asm_declare_object_name): Correct spelling.
	(darwin_output_aligned_bss): Likewise.

From-SVN: r167244

	PR target/26427
	PR target/33120
	PR testsuite/35710

gcc:
	* config/i386/darwin.h (ASM_OUTPUT_COMMON): Remove
	(ASM_OUTPUT_LOCAL): Likewise.
	* config/darwin-protos.h (darwin_asm_declare_object_name): New.
	(darwin_output_aligned_bss): Likewise.
	(darwin_asm_output_aligned_decl_local): Likewise.
	(darwin_asm_output_aligned_decl_common): Likewise.
	(darwin_use_anchors_for_symbol_p): Likewise.
	* config/rs6000/darwin.h (ASM_OUTPUT_COMMON): Remove.
	(TARGET_ASM_OUTPUT_ANCHOR): Define.
	(TARGET_USE_ANCHORS_FOR_SYMBOL_P): Define.
	(DARWIN_SECTION_ANCHORS): Set to 1.
	* config/darwin.c (emit_aligned_common): New var.
	(darwin_init_sections): Check that the Darwin private zero-size section
	marker is in range.
	(darwin_text_section): Check for zero-sized objects.
	(darwin_mergeable_string_section): Likewise.
	(darwin_mergeable_constant_section): Likewise.
	(machopic_select_section): Adjust to check for zero-sized objects.
	Assert that OBJC meta data are non-zero sized.
	(darwin_asm_declare_object_name): New.
	(darwin_asm_declare_constant_name): Adjust for zero-sized
	object sections.
	(BYTES_ZFILL): Define.
	(darwin_emit_weak_or_comdat): New.
	(darwin_emit_local_bss): New.
	(darwin_emit_common): New.
	(darwin_output_aligned_bss): New.
	(darwin_asm_output_aligned_decl_common): New.
	(darwin_asm_output_aligned_decl_local): New.
	(darwin_file_end): Disable subsections_via_symbols when section
	anchoring is active.
	(darwin_asm_output_anchor): Re-enable.
	(darwin_use_anchors_for_symbol_p): New.
	(darwin_override_options): Check for versions that can emit
	aligned common.  Update usage of flags to current.
	* config/darwin-sections.def: Update comments and flags for
	non-anchor sections.  zobj_const_section, zobj_data_section,
	zobj_bss_section, zobj_const_data_section: New.
	* config/darwin.h (ASM_DECLARE_OBJECT_NAME): Redefine.
	(ASM_OUTPUT_ALIGN): Make whitespace output consistent.
	(L2_MAX_OFILE_ALIGNMENT): Define.
	(ASM_OUTPUT_ALIGNED_BSS): Define.
	(ASM_OUTPUT_ALIGNED_DECL_LOCAL): Define.
	(ASM_OUTPUT_ALIGNED_DECL_COMMON): Define.
	(SECTION_NO_ANCHOR): Define.
	(TARGET_ASM_OUTPUT_ANCHOR) Define with a default of NULL.
	(DARWIN_SECTION_ANCHORS): Define with a default of 0.

boehm-gc:
	* dyn_load.c (GC_register_dynamic_libraries/DARWIN):  Add new writable
	data section names.
	(GC_dyld_name_for_hdr): Adjust layout.
	(GC_dyld_image_add): Adjust layout, add new Darwin sections, adjust
	debug to name the sections.
	(GC_dyld_image_remove): Adjust layout, remove new Darwin sections,
	adjust debug to name the sections.
	(GC_register_dynamic_libraries): Adjust layout.
	(GC_init_dyld): Likewise.
	(GC_register_main_static_data): Likewise.

gcc/testsuite:
	* gcc.target/powerpc/darwin-abi-12.c: Adjust for new allocators.
	* gcc.dg/pr26427.c: Remove redundant warning for powerpc.
	* gcc.dg/darwin-comm.c: Adjust for new allocators.
	* gcc.dg/darwin-sections.c: New test.
	* g++.dg/ext/instantiate2.C: Adjust for new allocators.


Co-Authored-By: Mike Stump <mrs@gcc.gnu.org>

From-SVN: r167242

	* system.h: Include "safe-ctype.h" instead of <safe-ctype.h>.
	Include <signal.h>, <sys/mman.h>, <sys/resource.h> and
	<sys/times.h>.
	(O_BINARY, SIGCHLD, MAP_FAILED, MAP_ANONYMOUS, kill):
	Conditionally define.
	(GET_ENVIRONMENT): Poison.
	* configure.ac: Don't test for mincore.
	* configure: Regenerate.
	* config.in: Regenerate.
	* collect2-aix.c: Don't include <sys/mman.h>.
	* collect2.c: Don't include <signal.h>.
	(SIGCHLD): Don't define.
	(prefix_from_env): Use getenv instead of GET_ENVIRONMENT.
	* config/alpha/alpha.c: Include "splay-tree.h" instead of
	<splay-tree.h>.
	* config/arm/arm.c (arm_target_help): Use getenv instead of
	GET_ENVIRONMENT.
	* config/avr/driver-avr.c: Don't include <stdlib.h>.
	* config/frv/frv.c: Don't include <ctype.h>.
	* config/host-darwin.c: Don't include <sys/mman.h>.
	* config/host-hpux.c: Don't include <sys/mman.h> or <unistd.h>.
	(MAP_FAILED): Don't define.
	* config/host-linux.c: Don't include <sys/mman.h> or <limits.h>.
	* config/host-solaris.c: Don't include <sys/mman.h>.
	* config/i386/cygming.h: Don't include <stdio.h>.
	* config/i386/driver-i386.c: Don't include <stdlib.h>.
	* config/i386/host-cygwin.c: Don't include <sys/mman.h>.
	* config/iq2000/iq2000.c: Don't include <signal.h>.
	* config/m32c/m32c-pragma.c: Don't include <stdio.h>.
	* config/m68hc11/m68hc11.c: Don't include <stdio.h>.
	* config/mep/mep-pragma.c: Don't include <stdio.h>.
	* config/microblaze/microblaze.c: Don't include <signal.h>.
	* config/mips/mips.c: Don't include <signal.h>.
	* config/rs6000/host-darwin.c: Don't include <signal.h>.
	* cppdefault.c (cpp_relocated): Use getenv instead of
	GET_ENVIRONMENT.
	* defaults.h (GET_ENVIRONMENT): Don't define.
	* et-forest.h: Don't include <ansidecl.h> or <stddef.h>.
	* gcc.c: Don't include <signal.h>, <sys/mman.h> or <sys/types.h>.
	(SIGCHLD, MAP_FAILED, kill): Don't define.
	(process_command): Use getenv instead of GET_ENVIRONMENT.
	* genhooks.c: Don't include <string.h>.
	* ggc-common.c: Don't include <sys/resource.h>, <sys/mman.h> or
	<sys/types.h>.
	(MAP_FAILED): Don't define.
	* ggc-page.c Don't include <sys/mman.h>.
	(MAP_ANONYMOUS, MAP_FAILED): Don't define.
	* ggc-zone.c: Don't include <sys/mman.h>.
	(MAP_ANONYMOUS, MAP_FAILED): Don't define.
	* graph.c: Include "config.h" instead of <config.h>.
	* incpath.c (add_env_var_paths): Use getenv instead of
	GET_ENVIRONMENT.
	* lto-wrapper.c: Don't include <errno.h>, <signal.h> or
	"libiberty.h".
	(SIGCHLD, kill): Don't define.
	* mips-tfile.c: Don't include <signal.h>.
	* opts.c: Don't include <signal.h> or <sys/resource.h>.
	(print_specific_help): Use getenv instead of GET_ENVIRONMENT.
	* passes.c: Don't include <signal.h>, <sys/resource.h> or
	<sys/times.h>.
	* sparseset.h: Don't include <assert.h>.
	* timevar.c: Don't include <sys/times.h> or <sys/resource.h>.
	* tlink.c: Don't include "libiberty.h".
	* toplev.c: Don't include <signal.h> or <sys/times.h>.
	* tree-mudflap.c: Include "demangle.h" instead of <demangle.h>.
	* tree-switch-conversion.c: Don't include <signal.h>.
	* vmsdbgout.c: Don't include <errno.h> or <string.h>.

c-family:
	* c-opts.c (check_deps_environment_vars): Use getenv instead of
	GET_ENVIRONMENT.
	* c-pch.c (O_BINARY): Don't define here.
	* c-pragma.h: Include "cpplib.h" instead of <cpplib.h>.

fortran:
	* gfortran.h (alloca): Don't include definitions.
	(NULL): Don't define.

java:
	* boehm.c: Include "config.h" instead of <config.h>.
	* builtins.c: Don't include <stdarg.h>.
	* class.c: Don't include "stdio.h".
	(O_BINARY): Don't define here.
	* jcf-depend.c: Don't include <assert.h>.
	(jcf_dependency_set_dep_file, jcf_dependency_init,
	jcf_dependency_write): Use gcc_assert.
	* jcf-io.c (O_BINARY): Don't define here.
	* jcf-path.c: Don't include "tm.h".
	(jcf_path_init): Use getenv instead of GET_ENVIRONMENT.
	* resource.c: Don't include "stdio.h".
	(O_BINARY): Don't define here.
	* verify-impl.c: Don't include <stdio.h>.

lto:
	* lto-endian.h: Delete.
	* lto-object.c: Don't include "libiberty.h".
	(O_BINARY): Don't define.
	* lto.c: Don't include "libiberty.h" or <sys/mman.h>.
	(O_BINARY): Don't define.

From-SVN: r167241

* configure.ac: Move comment to remove extra space in last argument
of GCC_TARGET_TOOL.

From-SVN: r167237

From-SVN: r167236

	PR bootstrap/44756
	* cppbuiltin.c: Include target.h .
	(define_builtin_macros_for_type_sizes):
	Use targetm.float_words_big_endian.

From-SVN: r167234

In gcc/objc/:
2010-11-29  Nicola Pero  <nicola.pero@meta-innovation.com>

	* objc-act.c (objc_eh_runtime_type): Avoid ICE if error_mark_node
	is passed as argument.
	(objc_begin_catch_clause): Added code to deal with an
	error_mark_node or NULL_TREE argument.  Improved checks for
	invalid arguments.  Added code to traverse typedefs.

In gcc/testsuite/:
2010-11-29  Nicola Pero  <nicola.pero@meta-innovation.com>

	* objc.dg/exceptions-1.m: New.
	* objc.dg/exceptions-2.m: New.
	* objc.dg/exceptions-3.m: New.
	* objc.dg/exceptions-4.m: New.
	* objc.dg/exceptions-5.m: New.
	* obj-c++.dg/exceptions-1.mm: New.
	* obj-c++.dg/exceptions-2.mm: New.
	* obj-c++.dg/exceptions-3.mm: New.
	* obj-c++.dg/exceptions-4.mm: New.
	* obj-c++.dg/exceptions-5.mm: New.

In gcc/cp/:
2010-11-29  Nicola Pero  <nicola.pero@meta-innovation.com>

	* parser.c (cp_parser_objc_try_catch_finally_statement): Parse
	@catch(...)  and pass NULL_TREE to objc_begin_catch_clause() in
	that case.  Improved error recovery.  Reorganized code to be
	almost identical to c_parser_objc_try_catch_finally_statement.

In gcc/:
2010-11-29  Nicola Pero  <nicola.pero@meta-innovation.com>

	* c-parser.c (c_parser_objc_try_catch_statement): Renamed to
	c_parser_objc_try_catch_finally_statement for consistency with the
	C++ parser.  Parse @catch(...) and pass NULL_TREE to
	objc_begin_catch_clause() in that case.  Improved error recovery.
	Reorganized code to be almost identical to
	cp_parser_objc_try_catch_finally_statement.

From-SVN: r167233

In gcc/testsuite/:
2010-11-29  Nicola Pero  <nicola.pero@meta-innovation.com>

	* obj-c++.dg/property/at-property-1.mm: Fixed testcase.
	* obj-c++.dg/property/at-property-16.mm: Fixed testcase.
	* obj-c++.dg/property/at-property-20.mm: Fixed testcase.

From-SVN: r167232

In gcc/objc/:
2010-11-29  Nicola Pero  <nicola.pero@meta-innovation.com>

	* objc-act.c (objc_demangle): Return immediately if the string is
	too short.  Detect names that do not need demangling, and return
	them unchanged.

From-SVN: r167231

	PR tree-optimization/46621
	* gimple.h: Don't include tm.h or hard-reg-set.h .
	* Makefile.in (GIMPLE_H): Remove $(TM_H).

From-SVN: r167230

From-SVN: r167229

2010-11-28  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/46662
	* resolve.c (update_ppc_arglist): Add check for abstract passed object.

2010-11-28  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/46662
	* gfortran.dg/proc_ptr_comp_pass_7.f90: New.

From-SVN: r167225

	* gnat.dg/aliasing2.adb (dg-final): Robustify pattern matching.
	* gnat.dg/pack9.adb (dg-final): Likewise.

From-SVN: r167222

From-SVN: r167221

re PR fortran/35810 ([TR 15581 / F2003] Automatic reallocation on assignment to allocatable variables)

2010-11-28  Paul Thomas  <pault@gcc.gnu.org>

	 PR fortran/35810
	* trans-array.c (gfc_trans_array_constructor): If the loop->to
	is a VAR_DECL, assume this is dynamic. In this case, use the
	counter to obtain the value and set loop->to appropriately.
	(gfc_conv_ss_descriptor): Always save the offset of a variable
	in info.saved_offset.
	(gfc_conv_ss_startstride): Do not attempt bound checking of the
	lhs of an assignment, if allocatable and f2003 is allowed.
	(gfc_conv_loop_setup): If possible, do not use an allocatable
	lhs variable for the loopspec.
	(gfc_is_reallocatable_lhs): New function.
	(get_std_lbound): New function.
	(gfc_alloc_allocatable_for_assignment): New function.
	* gfortran.h : Add flag_realloc_lhs to the options structure.
	* lang.opt : Add option f(no-)realloc-lhs.
	* invoke.texi : Document option f(no-)realloc-lhs.
	* options.c (gfc_init_options, gfc_post_options,
	gfc_handle_option): Incorporate f(no-)realloc-lhs with default
	to frealloc_lhs for -std > f95.
	* trans-array.h : Add primitive for previous.
	* trans-expr.c (gfc_conv_string_length): Return if character
	length is a variable and the expression is NULL.
	(gfc_conv_procedure_call): If the call is of the kind x = f(...)
	and the lhs is allocatable and reallocation on assignment OK,
	call gfc_alloc_allocatable_for_assignment. Do not generate the
	function call unless direct by reference.
	(realloc_lhs_loop_for_fcn_call): New function.
	(realloc_lhs_bounds_for_intrinsic_call): New function.
	(gfc_trans_arrayfunc_assign): Reallocation assignments need
	a loopinfo and for the loop bounds to be set.  With intrinsic
	functions, free the lhs data and let the library allocate the
	data array. Done by the new functions above.
	(gfc_trans_assignment_1): If the lhs is allocatable and
	reallocation on assignment is allowed, mark the lhs and use
	gfc_alloc_allocatable_for_assignment to make the reallocation.
	* trans.h : Add is_alloc_lhs bitfield to gfc_ss structure.

2010-11-28  Paul Thomas  <pault@gcc.gnu.org

	PR fortran/35810
	* gfortran.dg/realloc_on_assign_1.f03: New test.
	* gfortran.dg/realloc_on_assign_2.f03: New test.
	* gfortran.dg/transpose_2.f90: dg-option -fno-realloc-lhs.
	* gfortran.dg/unpack_bounds_1.f90: The same.
	* gfortran.dg/cshift_bounds_2.f90: The same.
	* gfortran.dg/matmul_bounds_2.f90: The same.
	* gfortran.dg/matmul_bounds_3.f90: The same.
	* gfortran.dg/matmul_bounds_4.f90: The same.
	* gfortran.dg/matmul_bounds_5.f90: The same.

From-SVN: r167220

2010-11-28  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/46683
	* testsuite/ext/profile/mh.cc: Move dg-require* directives to the end.
	* testsuite/ext/profile/all.cc: Likewise.

From-SVN: r167219

2010-11-27  Tobias Burnus  <burnus@net-b.de>
	    Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/46678
	trans-decl.c (gfc_trans_auto_character_variable): Use gfc_init_block
	instead of gfc_start_block.

Co-Authored-By: Jerry DeLisle <jvdelisle@gcc.gnu.org>

From-SVN: r167218

2010-11-28  Jonathan Wakely  <jwakely.gcc@gmail.com>

	PR libstdc++/46689
	* testsuite/20_util/shared_ptr/comparison/cmp.cc: Remove tests for
	invalid comparisons.

From-SVN: r167217

From-SVN: r167216