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  1. 09 Oct, 2018 4 commits
    • tree-vectorizer.c (dump_stmt_cost): Fix cut&paste missing replacements. · c885142a 
      2018-10-09  Richard Biener  <rguenther@suse.de>

	* tree-vectorizer.c (dump_stmt_cost): Fix cut&paste missing
	replacements.

From-SVN: r264954
      Richard Biener committed
    • ASAN: emit line information of stack variables. · 2c73950d 
      2018-10-09  Martin Liska  <mliska@suse.cz>

	* asan.c (asan_emit_stack_protection): If a stack variable
	is located in a same file as current function, then emit
	line info into variable definition string.
2018-10-09  Martin Liska  <mliska@suse.cz>

	* c-c++-common/asan/pr64820.c: Add line number to scanned
	pattern.
	* c-c++-common/asan/use-after-return-1.c: Likewise.
	* g++.dg/asan/function-argument-1.C (main): Likewise.
	* g++.dg/asan/function-argument-2.C (main): Likewise.
	* g++.dg/asan/function-argument-3.C (main): Likewise.
	* g++.dg/asan/use-after-scope-1.C (main): Likewise.
	* g++.dg/asan/use-after-scope-2.C (main): Likewise.
	* g++.dg/asan/use-after-scope-types-1.C (main): Likewise.
	* g++.dg/asan/use-after-scope-types-2.C (main): Likewise.
	* g++.dg/asan/use-after-scope-types-3.C (main): Likewise.
	* g++.dg/asan/use-after-scope-types-4.C (main): Likewise.
	* g++.dg/asan/use-after-scope-types-5.C (main): Likewise.
	* gcc.dg/asan/pr78541.c (main): Likewise.
	* gcc.dg/asan/use-after-scope-1.c (main): Likewise.
	* gcc.dg/asan/use-after-scope-10.c (main): Likewise.
	* gcc.dg/asan/use-after-scope-2.c (main): Likewise.
	* gcc.dg/asan/use-after-scope-3.c (main): Likewise.
	* gcc.dg/asan/use-after-scope-5.c (main): Likewise.
	* gcc.dg/asan/use-after-scope-9.c (main): Likewise.

From-SVN: r264951
      Martin Liska committed
    • re PR fortran/87151 (allocating array of character) · 9d44426f 
      2018-10-09  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/87151
	* trans-array.c (gfc_get_array_span): Deal with deferred char
	array components having a TYPE_MAX_VALUE of zero.
	(gfc_array_init_size): Use the hidden string length component
	to build the descriptor dtype.
	(gfc_array_allocate): Remove the erroneous replacement of the
	charlen backend decl with a temporary.
	(gfc_conv_expr_descriptor): Use the ss_info string length in
	the case of deferred character components.
	(gfc_alloc_allocatable_for_assignment): Actually compare the
	string lengths for deferred characters. Make sure that kind > 1
	is handled correctly. Set the span field of the descriptor.
	* trans-intrinsic.c (gfc_conv_intrinsic_len): Remove the stupid
	comment.

	PR fortran/80931
	* trans-array.c (gfc_array_allocate): Set the span field for
	variable length character arrays.


2018-10-09  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/87151
	* gfortran.dg/deferred_type_component_3.f90: New test.

	PR fortran/80931
	* gfortran.dg/deferred_character_28.f90: New test.
	* gfortran.dg/deferred_character_29.f90: New test (note that
	this test appears in PR83196 comment #4 by mistake).

From-SVN: r264949
      Paul Thomas committed
    • Daily bump. · 6d520963 
      From-SVN: r264948
      GCC Administrator committed
  3. 08 Oct, 2018 25 commits
  5. 07 Oct, 2018 1 commit
  7. 06 Oct, 2018 6 commits
    • Use gfc_charlen_type instead of int for string lenghts · c0ab1530 
      This patch cleans up a few places where I noticed the code was still
using int instead gfc_charlen_type for string lengths.  Regtested on
x86_64-pc-linux-gnu, committed as obvious.

libgfortran/ChangeLog:

2018-10-06  Janne Blomqvist  <jb@gcc.gnu.org>

	* io/unix.c (compare_file_filename): Use gfc_charlen_type instead
	of int for string length.
	(inquire_sequential): Likewise.
	(inquire_direct): Likewise.
	(inquire_formatted): Likewise.
	(inquire_unformatted): Likewise.
	(inquire_access): Likewise.
	(inquire_read): Likewise.
	(inquire_write): Likewise.
	(inquire_readwrite): Likewise.
	* io/unix.h (compare_file_filename): Likewise.
	(inquire_sequential): Likewise.
	(inquire_direct): Likewise.
	(inquire_formatted): Likewise.
	(inquire_unformatted): Likewise.
	(inquire_read): Likewise.
	(inquire_write): Likewise.
	(inquire_readwrite): Likewise.

From-SVN: r264901
      Janne Blomqvist committed
    • re PR fortran/86111 (ICE in gfc_arith_concat, at fortran/arith.c:985) · 7318fdca 
      2018-10-06  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/86111
	* gfortran.h (enum arith): Add ARITH_WRONGCONCAT.
	* arith.h (gfc_arith_error): Issue error for ARITH_WRONGCONCAT.
	(gfc_arith_concat):  If the types of op1 and op2 are not
	character of if their kinds do not match, issue ARITH_WRONGCONCAT.

2018-10-06  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/86111
	* gfortran.dg/array_constructor_type_23.f90: New test.

From-SVN: r264900
      Thomas Koenig committed
    • re PR fortran/83999 (ICE in gfc_trans_assignment_1, at fortran/trans-expr.c:10233) · 2b03b800 
      2018-10-06  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/83999
	* resolve.c (resolve_fl_procedure): Include class functions in
	the test that elemental function results be scalar.

2018-10-06  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/83999
	* gfortran.dg/elemental_function_4.f90 : New test.

From-SVN: r264899
      Paul Thomas committed
    • re PR fortran/84640 (gcc/fortran/simplify.c:2587:9: runtime error: pointer index… · f64b9ed9 
      re PR fortran/84640 (gcc/fortran/simplify.c:2587:9: runtime error: pointer index expression with base 0x0000090de160 overflowed to 0xffffffffc0632960)

 2018-10-06  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/84640
	* simplify.c (gfc_simplify_cshift): Extend size of hs_ex and ss_ex
	by one. Set extents one past the array boundaries to zero to avoid
	warning with instrumented compiler.
	(gfc_simplify_eoshift): Likewise, only for ss_ex.

From-SVN: r264898
      Thomas Koenig committed
    • re PR rtl-optimization/86939 (IRA incorrectly creates an interference between a… · a141f2d8 
      re PR rtl-optimization/86939 (IRA incorrectly creates an interference between a pseudo register and a hard register)

gcc/
	PR rtl-optimization/86939
	PR rtl-optimization/87479
	* ira.h (non_conflicting_reg_copy_p): New prototype.
	* ira-lives.c (ignore_reg_for_conflicts): New static variable.
	(make_hard_regno_dead): Don't add conflicts for register
	ignore_reg_for_conflicts.
	(make_object_dead): Likewise.
	(non_conflicting_reg_copy_p): New function.
	(process_bb_node_lives): Set ignore_reg_for_conflicts for copies.
	Remove special conflict handling of REAL_PIC_OFFSET_TABLE_REGNUM.
	* lra-lives.c (ignore_reg_for_conflicts): New static variable.
	(make_hard_regno_dead): Don't add conflicts for register
	ignore_reg_for_conflicts.  Remove special conflict handling of
	REAL_PIC_OFFSET_TABLE_REGNUM.  Remove now unused argument
	check_pic_pseudo_p and update callers.
	(mark_pseudo_dead): Don't add conflicts for register
	ignore_reg_for_conflicts.
	(process_bb_lives): Set ignore_reg_for_conflicts for copies.

gcc/testsuite/
	PR rtl-optimization/86939
	PR rtl-optimization/87479
	* gcc.target/powerpc/pr86939.c: New test.
	* gcc/testsuite/gcc.target/i386/pr49095.c: Fix expected results.

From-SVN: r264897
      Peter Bergner committed
    • Daily bump. · fb6f9bbc 
      From-SVN: r264896
      GCC Administrator committed
  9. 05 Oct, 2018 4 commits
    • RISC-V: Fix -fsignaling-nans for glibc testsuite. · 1fcbfb00 
      	gcc/
	* config/riscv/riscv.md (f<quiet_pattern>_quiet<ANYF:mode><X:mode>4):
	Add define_expand.  Add ! HONOR_SNANS check to current pattern.  Add
	new pattern using HONOR_SNANS that emits one extra instruction.

Co-Authored-By: Jim Wilson <jimw@sifive.com>

From-SVN: r264892
      Andrew Waterman committed
    • rs6000: Some mfcr pattern simplification · a3a81f29 
      
	* config/rs6000/rs6000.md (unnamed mfcr scc_comparison_operator
	patterns): Merge SI and DI patterns to a GPR pattern.
	(unnamed define_insn and define_split for record form of that): Merge
	to a single define_insn_and_split pattern.

From-SVN: r264889
      Segher Boessenkool committed
    • string_merge1.adb: Fix test expectations. · c1ec62f1 
      2018-10-05  Bernd Edlinger  <bernd.edlinger@hotmail.de>

        * gnat.dg/string_merge1.adb: Fix test expectations.
        * gnat.dg/string_merge2.adb: Likewise.

From-SVN: r264888
      Bernd Edlinger committed
    • Support string locations for C++ in -Wformat (PR c++/56856) · 0d48e877 
      -Wformat in the C++ FE doesn't work as well as it could:
(a) it doesn't report precise locations within the string literal, and
(b) it doesn't underline arguments for those arguments !CAN_HAVE_LOCATION_P,
despite having location wrapper nodes.

For example:

  Wformat-ranges.C:32:10: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'int' [-Wformat=]
  32 |   printf("hello %s", 42);
     |          ^~~~~~~~~~

(a) is due to not wiring up the langhook for extracting substring
    locations.

    This patch uses the one in c-family; it also fixes string literal
    parsing so that it records string concatenations (needed for
    extracting substring locations from concatenated strings).

(b) is due to the call to maybe_constant_value here:
       fargs[j] = maybe_constant_value (argarray[j]);
    within build_over_call.

    The patch fixes this by building a vec of location_t values when
    calling check_function_arguments.
    I attempted to eliminate the maybe_constant_value call here, but
    it's needed by e.g. check_function_sentinel for detecting NULL,
    and that code is in "c-family", so it can't simply call into
    maybe_constant_value (which is in "cp").

With this patch, the output for the above example is improved to:

  Wformat-ranges.C:32:18: warning: format '%s' expects argument of type 'char*', but argument 2 has type 'int' [-Wformat=]
  32 |   printf("hello %s", 42);
     |                 ~^   ~~
     |                  |   |
     |                  |   int
     |                  char*
     |                 %d

gcc/cp/ChangeLog:
	PR c++/56856
	* call.c (build_over_call): Build a vec of locations of the
	arguments before the call to maybe_constant_value, and pass to
	check_function_arguments.
	* cp-lang.c (LANG_HOOKS_GET_SUBSTRING_LOCATION): Define as
	c_get_substring_location.
	* parser.c (cp_parser_string_literal): Capture string
	concatenation locations.

gcc/ChangeLog:
	PR c++/56856
	* input.c (expand_location_to_spelling_point): Add param "aspect"
	and use rather than hardcoding LOCATION_ASPECT_CARET.
	(get_substring_ranges_for_loc): Handle the case of a single token
	within a macro expansion.
	* input.h (expand_location_to_spelling_point): Add "aspect" param,
	defaulting to LOCATION_ASPECT_CARET.

gcc/testsuite/ChangeLog:
	PR c++/56856
	* g++.dg/ext/builtin4.C: Set expected location for warning to the
	correct location within the format string.
	* g++.dg/plugin/plugin.exp (plugin_test_list): Add the plugin and
	files for testing locations within string literal locations from
	the C frontend.
	* g++.dg/warn/Wformat-method.C: New test.
	* g++.dg/warn/Wformat-pr71863.C: New test.
	* g++.dg/warn/Wformat-ranges-c++11.C: New test.
	* g++.dg/warn/Wformat-ranges.C: New test, based on
	gcc.dg/format/diagnostic-ranges.c.
	* gcc.dg/plugin/diagnostic-test-string-literals-1.c
	(test_multitoken_macro): Generalize expected output to work with
	both C and C++.
	* gcc.dg/plugin/diagnostic-test-string-literals-2.c
	(test_stringified_token_1): Likewise.
	(test_stringified_token_3): Likewise.

From-SVN: r264887
      David Malcolm committed