NEW GCC build failure, HEAD@158090 on native

[GCC regression tester <regress at geoffk dot org>]

With your recent patch, GCC HEAD revision 158090 had problems on:
native: build (NEW build failure)
Attached is build output for those targets.
The previous build was of revision 158083.

Log information for changes since the last build:
------------------------------------------------------------------------
r158084 | jakub | 2010-04-07 13:27:37 -0700 (Wed, 07 Apr 2010) | 38 lines
Changed paths:
   M /trunk/gcc/ChangeLog
   M /trunk/gcc/fortran/ChangeLog
   M /trunk/gcc/fortran/parse.c
   M /trunk/gcc/genemit.c
   M /trunk/gcc/java/ChangeLog
   M /trunk/gcc/java/builtins.c
   M /trunk/gcc/java/expr.c
   M /trunk/gcc/testsuite/ChangeLog
   M /trunk/gcc/testsuite/gcc.dg/builtin-choose-expr.c
   M /trunk/gcc/testsuite/gcc.dg/dfp/composite-type.c
   M /trunk/gcc/testsuite/gcc.dg/trunc-1.c
   M /trunk/gcc/testsuite/gcc.dg/vla-9.c
   M /trunk/gcc/tree-flow.h
   M /trunk/gcc/tree-outof-ssa.c
   M /trunk/gcc/tree-ssa-operands.h
   M /trunk/gcc/tree-ssa-pre.c
   M /trunk/gcc/tree.c
   M /trunk/gcc/tree.h
   M /trunk/libffi/ChangeLog
   M /trunk/libffi/testsuite/libffi.call/err_bad_abi.c
   M /trunk/libiberty/regex.c
   M /trunk/libjava/ChangeLog
   M /trunk/libjava/classpath/ChangeLog.gcj
   M /trunk/libjava/classpath/native/jni/midi-alsa/gnu_javax_sound_midi_alsa_AlsaPortDevice.c
   M /trunk/libjava/exception.cc
   M /trunk/libjava/include/java-assert.h

	* tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
	used count variable.
	* genemit.c (gen_expand, gen_split): Avoid set but not used warnings
	when operandN variables aren't used in the body of the expander
	or splitter.
	* tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
	FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
	* tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
	* tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
	FOR_EACH_IMM_USE_ON_STMT): Likewise.
	* tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
	* tree.c (PROCESS_ARG): Likewise.
fortran/
	* parse.c (parse_derived, parse_enum): Avoid set but not used
	warning.
java/
	* expr.c (process_jvm_instruction): Avoid set but not used warning.
	* builtins.c (compareAndSwapInt_builtin, compareAndSwapLong_builtin,
	getVolatile_builtin): Likewise.
libjava/
	* exception.cc (_Jv_Throw): Avoid set but not used warning.
	* include/java-assert.h (JvAssertMessage, JvAssert): Use argument in
	sizeof to avoid set but not used warnings.
libjava/classpath/
	* native/jni/midi-alsa/gnu_javax_sound_midi_alsa_AlsaPortDevice.c
	(Java_gnu_javax_sound_midi_alsa_AlsaPortDevice_run_1receiver_1thread_1):
	Avoid set but not used warning.
libiberty/
	* regex.c (byte_re_match_2_internal): Avoid set but not used
	warning.
gcc/testsuite/
	* gcc.dg/builtin-choose-expr.c: Avoid set but not used warnings.
	* gcc.dg/trunc-1.c: Likewise.
	* gcc.dg/vla-9.c: Likewise.
	* gcc.dg/dfp/composite-type.c: Likewise.
libffi/
	* testsuite/libffi.call/err_bad_abi.c: Remove unused args variable.

------------------------------------------------------------------------
r158085 | jakub | 2010-04-07 13:29:01 -0700 (Wed, 07 Apr 2010) | 38 lines
Changed paths:
   M /trunk/libiberty/ChangeLog

	* tree-ssa-pre.c (my_rev_post_order_compute): Remove set but not
	used count variable.
	* genemit.c (gen_expand, gen_split): Avoid set but not used warnings
	when operandN variables aren't used in the body of the expander
	or splitter.
	* tree-outof-ssa.c (FOR_EACH_ELIM_GRAPH_SUCC,
	FOR_EACH_ELIM_GRAPH_PRED): Avoid set but not used warnings.
	* tree-ssa-operands.h (FOR_EACH_SSA_TREE_OPERAND): Likewise.
	* tree-flow.h (FOR_EACH_IMM_USE_FAST, FOR_EACH_IMM_USE_STMT,
	FOR_EACH_IMM_USE_ON_STMT): Likewise.
	* tree.h (FOR_EACH_CONSTRUCTOR_ELT): Likewise.
	* tree.c (PROCESS_ARG): Likewise.
fortran/
	* parse.c (parse_derived, parse_enum): Avoid set but not used
	warning.
java/
	* expr.c (process_jvm_instruction): Avoid set but not used warning.
	* builtins.c (compareAndSwapInt_builtin, compareAndSwapLong_builtin,
	getVolatile_builtin): Likewise.
libjava/
	* exception.cc (_Jv_Throw): Avoid set but not used warning.
	* include/java-assert.h (JvAssertMessage, JvAssert): Use argument in
	sizeof to avoid set but not used warnings.
libjava/classpath/
	* native/jni/midi-alsa/gnu_javax_sound_midi_alsa_AlsaPortDevice.c
	(Java_gnu_javax_sound_midi_alsa_AlsaPortDevice_run_1receiver_1thread_1):
	Avoid set but not used warning.
libiberty/
	* regex.c (byte_re_match_2_internal): Avoid set but not used
	warning.
gcc/testsuite/
	* gcc.dg/builtin-choose-expr.c: Avoid set but not used warnings.
	* gcc.dg/trunc-1.c: Likewise.
	* gcc.dg/vla-9.c: Likewise.
	* gcc.dg/dfp/composite-type.c: Likewise.
libffi/
	* testsuite/libffi.call/err_bad_abi.c: Remove unused args variable.

------------------------------------------------------------------------
r158086 | jakub | 2010-04-07 13:33:36 -0700 (Wed, 07 Apr 2010) | 47 lines
Changed paths:
   M /trunk/gcc/ChangeLog
   M /trunk/gcc/c-common.c
   M /trunk/gcc/c-decl.c
   M /trunk/gcc/c-parser.c
   M /trunk/gcc/c-tree.h
   M /trunk/gcc/c-typeck.c
   M /trunk/gcc/common.opt
   M /trunk/gcc/doc/invoke.texi
   M /trunk/gcc/objc/ChangeLog
   M /trunk/gcc/objc/objc-act.c
   M /trunk/gcc/testsuite/ChangeLog
   A /trunk/gcc/testsuite/gcc.dg/Wunused-parm-1.c
   A /trunk/gcc/testsuite/gcc.dg/Wunused-var-1.c
   A /trunk/gcc/testsuite/gcc.dg/Wunused-var-2.c
   A /trunk/gcc/testsuite/gcc.dg/Wunused-var-3.c
   A /trunk/gcc/testsuite/gcc.dg/Wunused-var-4.c
   A /trunk/gcc/testsuite/gcc.dg/Wunused-var-5.c
   A /trunk/gcc/testsuite/gcc.dg/Wunused-var-6.c
   M /trunk/gcc/toplev.c
   M /trunk/gcc/tree.h

	PR c/18624
	* tree.h (DECL_READ_P): Define.
	(struct tree_decl_common): Add decl_read_flag.
	* c-decl.c (pop_scope): If TREE_USED but !DECL_READ_P, issue
	a set but not used warning.
	(merge_decls): Merge DECL_READ_P flag.
	(finish_decl, build_compound_literal): Set DECL_READ_P flag.
	(finish_function): Issue -Wunused-but-set-parameter diagnostics.
	* c-common.c (handle_used_attribute, handle_unused_attribute):
	Likewise.
	* c-tree.h (default_function_array_read_conversion, mark_exp_read):
	New prototypes.
	* c-typeck.c (default_function_array_read_conversion, mark_exp_read):
	New functions.
	(default_conversion, c_process_expr_stmt): Call mark_exp_read.
	* c-parser.c (c_parser_initializer, c_parser_expr_no_commas,
	c_parser_binary_expression, c_parser_cast_expression,
	c_parser_expr_list, c_parser_omp_atomic, c_parser_omp_for_loop):
	Call default_function_array_read_conversion instead of
	default_function_array_conversion where needed.
	(c_parser_unary_expression, c_parser_conditional_expression,
	c_parser_postfix_expression_after_primary, c_parser_initelt):
	Likewise.  Call mark_exp_read where needed.
	(c_parser_statement_after_labels, c_parser_asm_operands,
	c_parser_typeof_specifier, c_parser_sizeof_expression,
	c_parser_alignof_expression, c_parser_initval): Call mark_exp_read
	where needed.
	* common.opt (Wunused-but-set-variable, Wunused-but-set-parameter):
	New.
	* toplev.c (warn_unused_but_set_variable): Default to warn_unused.
	(warn_unused_but_set_parameter): Default to warn_unused
	&& extra_warnings.
	* doc/invoke.texi: Document -Wunused-but-set-variable and
	-Wunused-but-set-parameter.

	* objc-act.c (finish_var_decl, objc_begin_catch_clause,
	really_start_method, get_super_receiver, handle_class_ref): Set
	DECL_READ_P in addition to TREE_USED.

	* gcc.dg/Wunused-var-1.c: New test.
	* gcc.dg/Wunused-var-2.c: New test.
	* gcc.dg/Wunused-var-3.c: New test.
	* gcc.dg/Wunused-var-4.c: New test.
	* gcc.dg/Wunused-var-5.c: New test.
	* gcc.dg/Wunused-var-6.c: New test.
	* gcc.dg/Wunused-parm-1.c: New test.

------------------------------------------------------------------------
r158088 | rwild | 2010-04-07 13:49:41 -0700 (Wed, 07 Apr 2010) | 7 lines
Changed paths:
   M /trunk/gcc/ChangeLog
   M /trunk/gcc/doc/generic.texi
   M /trunk/gcc/doc/sourcebuild.texi

Fix documentation typos.

gcc/:
	* doc/generic.texi (Working with declarations)
	(Function Properties, C and C++ Trees): Fix typos.
	* doc/sourcebuild.texi (Top Level): Likewise.

------------------------------------------------------------------------
r158089 | rwild | 2010-04-07 13:52:27 -0700 (Wed, 07 Apr 2010) | 7 lines
Changed paths:
   M /trunk/gcc/ChangeLog
   M /trunk/gcc/doc/install.texi

Move LTO build option description to correct subheading.

gcc/:
	* doc/install.texi (Configuration): Move description of
	--enable-lto, --with-libelf*, --enable-gold from Java section to
	general section.

------------------------------------------------------------------------

For more information, see <http://glutton.geoffk.org/HEAD/>.

Attachment: native-log.txt
Description: Text document

-- 
Geoffrey Keating <geoffk@geoffk.org> 
(via an automated GCC regression-testing script.)