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Joseph Myers 9fb5348e30 testsuite: Prepare for -std=gnu23 default 
Now that C23 support is essentially feature-complete, I'd like to
switch the default language version for C compilation to -std=gnu23.

This requires updating a large number of testcases that fail with the
new language version if left unchanged.  In this patch, update most of
the tests for which there is a safe change that works both before and
after the update to default language version - typically adding the
option -std=gnu17 or -Wno-old-style-definition to the tests.  (There
are also a few tests where I'd like to investigate further why they
fail with -std=gnu23, or where I think such failures show an actual
bug to fix before changing the default language version, or where it
seems more appropriate to make a testcase change that would result in
failures in the absence of the language version change rather than
just adding an option that does nothing with the gnu17 default.)

The libffi test fixes have also been submitted upstream:
<https://github.com/libffi/libffi/pull/861>.

Most of the failures requiring such changes are for one of two
reasons:

* Unprototyped function declarations with () (meaning the same as
  (void) in C23 mode) for a function then called with arguments.

* Old-style function definitions, which warn by default in C23 mode,
  so resulting in test failures for the unexpected warnings.

Other reasons for failures include:

* Tests with their own definitions of bool, true and false.

* Tests of diagnostics (often with -pedantic) in cases where C23 has
  changed semantics, such as:

  - tag compatibility for structs;
  - enum values out of range of int;
  - handing of qualified array types;
  - decimal floating types formerly needing -pedantic diagnostics, but
    being standard in C23.

Bootstrapped with no regressions for x86_64-pc-linux-gnu.

gcc/testsuite/
	* c-c++-common/Wcast-function-type.c: Add -std=gnu17 for C.
	* c-c++-common/Wformat-pr84258.c: Add -std=gnu17 for C.
	* c-c++-common/Wvarargs.c: Add -std=gnu17 for C.
	* c-c++-common/analyzer/data-model-12.c: Add -std=gnu17 for C.
	* c-c++-common/builtins.c: Add -std=gnu17 for C.
	* c-c++-common/pointer-to-fn1.c: Add -std=gnu17 for C.
	* c-c++-common/pragma-diag-17.c: Add -std=gnu17 for C.
	* c-c++-common/sizeof-array-argument.c: Add
	-Wno-old-style-definition for C.
	* g++.dg/lto/pr54625-1_0.c: Add -std=gnu17.
	* g++.dg/lto/pr54625-2_0.c: Add -std=gnu17.
	* gcc.c-torture/compile/20040214-2.c: Add -std=gnu17.
	* gcc.c-torture/compile/921011-2.c: Add -std=gnu17.
	* gcc.c-torture/compile/931102-1.c: Add -std=gnu17.
	* gcc.c-torture/compile/990801-1.c: Add -std=gnu17.
	* gcc.c-torture/compile/nested-1.c: Add -std=gnu17.
	* gcc.c-torture/compile/pr100241-1.c: Add -std=gnu17.
	* gcc.c-torture/compile/pr106101.c: Add -std=gnu17.
	* gcc.c-torture/compile/pr113616.c: Add -std=gnu17.
	* gcc.c-torture/compile/pr47967.c: Add -std=gnu17.
	* gcc.c-torture/compile/pr51694.c: Add -std=gnu17.
	* gcc.c-torture/compile/pr71109.c: Add -std=gnu17.
	* gcc.c-torture/compile/pr83051-2.c: Add -std=gnu17.
	* gcc.c-torture/compile/pr89663-1.c: Add -std=gnu17.
	* gcc.c-torture/compile/pr94238.c: Add -std=gnu17.
	* gcc.c-torture/compile/pr96796.c: Add -std=gnu17.
	* gcc.c-torture/compile/pr97576.c: Add -std=gnu17.
	* gcc.c-torture/compile/udivmod4.c: Add -std=gnu17.
	* gcc.c-torture/execute/20010605-2.c: Add -std=gnu17.
	* gcc.c-torture/execute/20020404-1.c: Add -std=gnu17.
	* gcc.c-torture/execute/20030714-1.c: Add -std=gnu17.
	* gcc.c-torture/execute/20051012-1.c: Add -std=gnu17.
	* gcc.c-torture/execute/20190820-1.c: Add -std=gnu17.
	* gcc.c-torture/execute/920612-1.c: Add -Wno-old-style-definition.
	* gcc.c-torture/execute/930608-1.c: Add -std=gnu17.
	* gcc.c-torture/execute/comp-goto-1.c: Add -std=gnu17.
	* gcc.c-torture/execute/ieee/fp-cmp-1.x: Add -std=gnu17.
	* gcc.c-torture/execute/ieee/fp-cmp-2.x: Add -std=gnu17.
	* gcc.c-torture/execute/ieee/fp-cmp-3.x: Add -std=gnu17.
	* gcc.c-torture/execute/ieee/fp-cmp-4.x: New file.
	* gcc.c-torture/execute/ieee/fp-cmp-4f.x: New file.
	* gcc.c-torture/execute/ieee/fp-cmp-4l.x: New file.
	* gcc.c-torture/execute/loop-9.c: Add -std=gnu17.
	* gcc.c-torture/execute/pr103209.c: Add -std=gnu17.
	* gcc.c-torture/execute/pr28289.c: Add -std=gnu17.
	* gcc.c-torture/execute/pr34982.c: Add -std=gnu17.
	* gcc.c-torture/execute/pr67037.c: Add -std=gnu17.
	* gcc.c-torture/execute/va-arg-2.c: Add -std=gnu17.
	* gcc.dg/20010202-1.c: Add -std=gnu17.
	* gcc.dg/20020430-1.c: Add -std=gnu17.
	* gcc.dg/20031218-3.c: Add -std=gnu17.
	* gcc.dg/20040127-1.c: Add -std=gnu17.
	* gcc.dg/20041014-1.c: Add -Wno-old-style-definition.
	* gcc.dg/20041122-1.c: Add -std=gnu17.
	* gcc.dg/20050309-1.c: Add -std=gnu17.
	* gcc.dg/20061026.c: Add -std=gnu17.
	* gcc.dg/20101010-1.c: Add -std=gnu17.
	* gcc.dg/Warray-parameter-10.c: Add -std=gnu17.
	* gcc.dg/Wbuiltin-declaration-mismatch-2.c: Add -std=gnu17.
	* gcc.dg/Wbuiltin-declaration-mismatch-3.c: Add -std=gnu17.
	* gcc.dg/Wbuiltin-declaration-mismatch-4.c: Add -std=gnu17.
	* gcc.dg/Wbuiltin-declaration-mismatch-5.c: Add -std=gnu17.
	* gcc.dg/Wbuiltin-declaration-mismatch.c: Add -std=gnu17.
	* gcc.dg/Wcxx-compat-2.c: Add -std=gnu17.
	* gcc.dg/Wdouble-promotion.c: Add -std=gnu17.
	* gcc.dg/Wfree-nonheap-object-7.c: Add -std=gnu17.
	* gcc.dg/Wimplicit-int-1.c: Add -std=gnu17.
	* gcc.dg/Wimplicit-int-1a.c: Add -std=gnu17.
	* gcc.dg/Wimplicit-int-2.c: Add -std=gnu17.
	* gcc.dg/Wimplicit-int-3.c: Add -std=gnu17.
	* gcc.dg/Wimplicit-int-4.c: Add -std=gnu17.
	* gcc.dg/Wimplicit-int-4a.c: Add -std=gnu17.
	* gcc.dg/Wincompatible-pointer-types-1.c: Add -std=gnu17.
	* gcc.dg/Wrestrict-19.c: Add -std=gnu17.
	* gcc.dg/Wrestrict-4.c: Add -std=gnu17.
	* gcc.dg/Wrestrict-5.c: Add -std=gnu17.
	* gcc.dg/Wstrict-overflow-20.c: Add -std=gnu17.
	* gcc.dg/Wstringop-overflow-13.c: Add -std=gnu17.
	* gcc.dg/analyzer/doom-d_main-IdentifyVersion.c: Add -std=gnu17.
	* gcc.dg/analyzer/doom-s_sound-pr108867.c: Add -std=gnu17.
	* gcc.dg/analyzer/pr93032-mztools-signed-char.c: Add
	-Wno-old-style-definition.
	* gcc.dg/analyzer/pr93032-mztools-unsigned-char.c: Add
	-Wno-old-style-definition.
	* gcc.dg/analyzer/pr93355-localealias.c: Add
	-Wno-old-style-definition.
	* gcc.dg/analyzer/pr93375.c: Add -std=gnu17.
	* gcc.dg/analyzer/pr94688.c: Add -std=gnu17.
	* gcc.dg/analyzer/sensitive-1.c: Add -std=gnu17.
	* gcc.dg/analyzer/torture/asm-x86-linux-wfx_get_ps_timeout-full.c:
	Add -std=gnu17.
	* gcc.dg/analyzer/torture/pr104863.c: Add -std=gnu17.
	* gcc.dg/analyzer/torture/pr93379.c: Add -std=gnu17.
	* gcc.dg/array-quals-2.c: Add -std=gnu17.
	* gcc.dg/attr-invalid.c: Add -Wno-old-style-definition.
	* gcc.dg/auto-init-uninit-A.c: Add -Wno-old-style-definition.
	* gcc.dg/builtin-choose-expr.c: Declare exit with (int) prototype.
	* gcc.dg/builtin-tgmath-err-1.c: Add -std=gnu17.
	* gcc.dg/builtins-30.c: Add -std=gnu17.
	* gcc.dg/cast-function-1.c: Add -std=gnu17.
	* gcc.dg/cleanup-1.c: Add -std=gnu17.
	* gcc.dg/compat/struct-complex-1_x.c: Add -std=gnu17.
	* gcc.dg/compat/struct-complex-2_x.c: Add -std=gnu17.
	* gcc.dg/compat/union-m128-1_x.c: Add -std=gnu17.
	* gcc.dg/debug/dwarf2/pr66482.c: Add -std=gnu17.
	* gcc.dg/dfp/composite-type-2.c: Add -std=gnu17.
	* gcc.dg/dfp/composite-type.c: Add -std=gnu17.
	* gcc.dg/dfp/keywords-pedantic.c: Add -std=gnu17.
	* gcc.dg/dremf-type-compat-1.c: Add -std=gnu17.
	* gcc.dg/dremf-type-compat-2.c: Add -std=gnu17.
	* gcc.dg/dremf-type-compat-3.c: Add -std=gnu17.
	* gcc.dg/dremf-type-compat-4.c: Add -std=gnu17.
	* gcc.dg/enum-compat-1.c: Add -std=gnu17.
	* gcc.dg/enum-compat-2.c: Add -std=gnu17.
	* gcc.dg/floatn-errs.c: Add -std=gnu17.
	* gcc.dg/fltconst-pedantic-dfp.c: Add -std=gnu17.
	* gcc.dg/format/proto.c: Add -std=gnu17.
	* gcc.dg/format/sentinel-1.c: Add -std=gnu17.
	* gcc.dg/gomp/declare-simd-1.c: Add -Wno-old-style-definition.
	* gcc.dg/ifelse-1.c: Add -Wno-old-style-definition.
	* gcc.dg/inline-33.c: Add -std=gnu17.
	* gcc.dg/ipa/inline-5.c: Add -std=gnu17.
	* gcc.dg/ipa/ipa-sra-21.c: Add -std=gnu17.
	* gcc.dg/ipa/pr102714.c: Add -std=gnu17.
	* gcc.dg/ipa/pr104813.c: Add -std=gnu17.
	* gcc.dg/ipa/pr108679.c: Add -std=gnu17.
	* gcc.dg/ipa/pr42706.c: Add -std=gnu17.
	* gcc.dg/ipa/pr88214.c: Add -Wno-old-style-definition.
	* gcc.dg/ipa/pr91853.c: Add -Wno-old-style-definition.
	* gcc.dg/ipa/pr93763.c: Add -std=gnu17.
	* gcc.dg/ipa/pr96482-2.c: Add -std=gnu17.
	* gcc.dg/lto/20091013-1_2.c: Add -std=gnu17.
	* gcc.dg/lto/20091015-1_2.c: Add -std=gnu17.
	* gcc.dg/lto/pr113197_1.c: Add -std=gnu17.
	* gcc.dg/lto/pr54702_1.c: Add -std=gnu17.
	* gcc.dg/lto/pr99849_0.c: Add -std=gnu17.
	* gcc.dg/noncompile/920923-1.c: Add -std=gnu17.
	* gcc.dg/noncompile/old-style-parm-1.c: Add
	-Wno-old-style-definition.
	* gcc.dg/noncompile/old-style-parm-3.c: Add
	-Wno-old-style-definition.
	* gcc.dg/noncompile/pr30552-2.c: Add -Wno-old-style-definition.
	* gcc.dg/noncompile/pr30552-3.c: Add -std=gnu17.
	* gcc.dg/noncompile/pr71265.c: Add -Wno-old-style-definition.
	* gcc.dg/noncompile/pr79758-2.c: Add -Wno-old-style-definition.
	* gcc.dg/noncompile/pr79758.c: Add -Wno-old-style-definition.
	* gcc.dg/noncompile/va-arg-1.c: Add -std=gnu17.
	* gcc.dg/old-style-prom-1.c: Add -std=gnu17.
	* gcc.dg/old-style-prom-2.c: Add -std=gnu17.
	* gcc.dg/old-style-prom-3.c: Add -std=gnu17.
	* gcc.dg/old-style-then-proto-1.c: Add -std=gnu17.
	* gcc.dg/parm-incomplete-1.c: Add -std=gnu17.
	* gcc.dg/parm-mismatch-1.c: Add -std=gnu17.
	* gcc.dg/permerror-default.c: Add -std=gnu17.
	* gcc.dg/permerror-fpermissive-nowarning.c: Add -std=gnu17.
	* gcc.dg/permerror-fpermissive.c: Add -std=gnu17.
	* gcc.dg/permerror-noerror.c: Add -std=gnu17.
	* gcc.dg/permerror-nowarning.c: Add -std=gnu17.
	* gcc.dg/permerror-pedantic.c: Add -std=gnu17.
	* gcc.dg/plugin/infoleak-net-ethtool-ioctl.c: Add -std=gnu17.
	* gcc.dg/pointer-array-quals-1.c: Add -std=gnu17.
	* gcc.dg/pointer-array-quals-2.c: Add -std=gnu17.
	* gcc.dg/pr100791.c: Add -std=gnu17.
	* gcc.dg/pr100843.c: Add -std=gnu17.
	* gcc.dg/pr102273.c: Add -std=gnu17.
	* gcc.dg/pr102385.c: Add -std=gnu17.
	* gcc.dg/pr103222.c: Add -std=gnu17.
	* gcc.dg/pr105140.c: Add -std=gnu17.
	* gcc.dg/pr105150.c: Add -std=gnu17.
	* gcc.dg/pr105250.c: Add -std=gnu17.
	* gcc.dg/pr105972.c: Add -Wno-old-style-definition.
	* gcc.dg/pr111039.c: Add -std=gnu17.
	* gcc.dg/pr111407.c: Add -std=gnu17.
	* gcc.dg/pr111922.c: Add -Wno-old-style-definition.
	* gcc.dg/pr15236.c: Add -std=gnu17.
	* gcc.dg/pr17188-1.c: Add -std=gnu17.
	* gcc.dg/pr20368-1.c: Add -std=gnu17.
	* gcc.dg/pr20368-2.c: Add -std=gnu17.
	* gcc.dg/pr20368-3.c: Add -std=gnu17.
	* gcc.dg/pr27331.c: Add -Wno-old-style-definition.
	* gcc.dg/pr27861-1.c: Add -std=gnu17.
	* gcc.dg/pr28121.c: Add -std=gnu17.
	* gcc.dg/pr28243.c: Add -std=gnu17.
	* gcc.dg/pr28888.c: Add -std=gnu17.
	* gcc.dg/pr29254.c: Add -std=gnu17.
	* gcc.dg/pr34457-1.c: Add -std=gnu17.
	* gcc.dg/pr36015.c: Add -std=gnu17.
	* gcc.dg/pr38245-3.c: Add -std=gnu17.
	* gcc.dg/pr38245-4.c: Add -std=gnu17.
	* gcc.dg/pr41241.c: Add -std=gnu17.
	* gcc.dg/pr43058.c: Add -std=gnu17.
	* gcc.dg/pr44539.c: Add -std=gnu17.
	* gcc.dg/pr45055.c: Add -std=gnu17.
	* gcc.dg/pr50908.c: Add -Wno-old-style-definition.
	* gcc.dg/pr60647-1.c: Add -Wno-old-style-definition.
	* gcc.dg/pr63762.c: Add -std=gnu17.
	* gcc.dg/pr63804.c: Add -std=gnu17.
	* gcc.dg/pr68306-3.c: Add -std=gnu17.
	* gcc.dg/pr68533.c: Add -std=gnu17.
	* gcc.dg/pr69156.c: Add -std=gnu17.
	* gcc.dg/pr7356-2.c: Add -Wno-old-style-definition.
	* gcc.dg/pr79983.c: Add -std=gnu17.
	* gcc.dg/pr83463.c: Add -std=gnu17.
	* gcc.dg/pr87347.c: Add -std=gnu17.
	* gcc.dg/pr89521-1.c: Add -std=gnu17.
	* gcc.dg/pr89521-2.c: Add -std=gnu17.
	* gcc.dg/pr90648.c: Add -std=gnu17.
	* gcc.dg/pr93573-1.c: Add -std=gnu17.
	* gcc.dg/pr94167.c: Add -std=gnu17.
	* gcc.dg/pr94705.c: Add -std=gnu17.
	* gcc.dg/pr95118.c: Add -std=gnu17.
	* gcc.dg/pr96335.c: Add -std=gnu17.
	* gcc.dg/pr97830.c: Add -std=gnu17.
	* gcc.dg/pr97882.c: Add -std=gnu17.
	* gcc.dg/pr99122-2.c: Add -std=gnu17.
	* gcc.dg/pr99122-3.c: Add -std=gnu17.
	* gcc.dg/qual-component-1.c: Add -std=gnu17.
	* gcc.dg/sibcall-6.c: Add -Wno-old-style-definition.
	* gcc.dg/sms-2.c: Add -Wno-old-style-definition.
	* gcc.dg/tm/20091221.c: Add -std=gnu17.
	* gcc.dg/torture/bfloat16-basic.c: Add -Wno-old-style-definition.
	* gcc.dg/torture/float128-basic.c: Add -Wno-old-style-definition.
	* gcc.dg/torture/float128x-basic.c: Add -Wno-old-style-definition.
	* gcc.dg/torture/float16-basic.c: Add -Wno-old-style-definition.
	* gcc.dg/torture/float32-basic.c: Add -Wno-old-style-definition.
	* gcc.dg/torture/float32x-basic.c: Add -Wno-old-style-definition.
	* gcc.dg/torture/float64-basic.c: Add -Wno-old-style-definition.
	* gcc.dg/torture/float64x-basic.c: Add -Wno-old-style-definition.
	* gcc.dg/torture/pr102762.c: Add -std=gnu17.
	* gcc.dg/torture/pr103987.c: Add -std=gnu17.
	* gcc.dg/torture/pr104825.c: Add -Wno-old-style-definition.
	* gcc.dg/torture/pr105166.c: Add -std=gnu17.
	* gcc.dg/torture/pr105185.c: Add -Wno-old-style-definition.
	* gcc.dg/torture/pr109652.c: Add -std=gnu17.
	* gcc.dg/torture/pr112444.c: Add -std=gnu17.
	* gcc.dg/torture/pr113895-3.c: Add -std=gnu17.
	* gcc.dg/torture/pr24626-2.c: Add -std=gnu17.
	* gcc.dg/torture/pr25183.c: Add -std=gnu17.
	* gcc.dg/torture/pr38948.c: Add -std=gnu17.
	* gcc.dg/torture/pr44807.c: Add -std=gnu17.
	* gcc.dg/torture/pr47281.c: Add -std=gnu17.
	* gcc.dg/torture/pr47958-1.c: Add -Wno-old-style-definition.
	* gcc.dg/torture/pr48063.c: Add -std=gnu17.
	* gcc.dg/torture/pr57036-1.c: Add -std=gnu17.
	* gcc.dg/torture/pr57330.c: Add -std=gnu17.
	* gcc.dg/torture/pr57584.c: Add -std=gnu17.
	* gcc.dg/torture/pr67741.c: Add -std=gnu17.
	* gcc.dg/torture/pr68104.c: Add -std=gnu17.
	* gcc.dg/torture/pr69242.c: Add -std=gnu17.
	* gcc.dg/torture/pr70457.c: Add -std=gnu17.
	* gcc.dg/torture/pr70985.c: Add -std=gnu17.
	* gcc.dg/torture/pr71606.c: Add -std=gnu17.
	* gcc.dg/torture/pr71816.c: Add -std=gnu17.
	* gcc.dg/torture/pr77286.c: Add -std=gnu17.
	* gcc.dg/torture/pr77646.c: Add -std=gnu17.
	* gcc.dg/torture/pr77677-2.c: Add -std=gnu17.
	* gcc.dg/torture/pr78365.c: Add -Wno-old-style-definition.
	* gcc.dg/torture/pr79732.c: Add -std=gnu17.
	* gcc.dg/torture/pr80612.c: Add -std=gnu17.
	* gcc.dg/torture/pr80764.c: Add -std=gnu17.
	* gcc.dg/torture/pr80842.c: Add -std=gnu17.
	* gcc.dg/torture/pr81900.c: Add -std=gnu17.
	* gcc.dg/torture/pr82276.c: Add -std=gnu17.
	* gcc.dg/torture/pr84803.c: Add -std=gnu17.
	* gcc.dg/torture/pr93124.c: Add -std=gnu17.
	* gcc.dg/torture/pr97330-1.c: Add -Wno-old-style-definition.
	* gcc.dg/tree-prof/comp-goto-1.c: Add -std=gnu17.
	* gcc.dg/tree-ssa/20030703-2.c: Add -Wno-old-style-definition.
	* gcc.dg/tree-ssa/20030708-1.c: Add -Wno-old-style-definition.
	* gcc.dg/tree-ssa/20030709-2.c: Add -Wno-old-style-definition.
	* gcc.dg/tree-ssa/20030709-3.c: Add -Wno-old-style-definition.
	* gcc.dg/tree-ssa/20030710-1.c: Add -Wno-old-style-definition.
	* gcc.dg/tree-ssa/20030711-1.c: Add -Wno-old-style-definition.
	* gcc.dg/tree-ssa/20030711-2.c: Add -Wno-old-style-definition.
	* gcc.dg/tree-ssa/20030711-3.c: Add -Wno-old-style-definition.
	* gcc.dg/tree-ssa/20030714-1.c: Add -Wno-old-style-definition.
	* gcc.dg/tree-ssa/20030714-2.c: Add -Wno-old-style-definition.
	* gcc.dg/tree-ssa/20030728-1.c: Add -Wno-old-style-definition.
	* gcc.dg/tree-ssa/20030807-10.c: Add -Wno-old-style-definition.
	* gcc.dg/tree-ssa/20030807-11.c: Add -Wno-old-style-definition.
	* gcc.dg/tree-ssa/20030807-3.c: Add -Wno-old-style-definition.
	* gcc.dg/tree-ssa/20030807-6.c: Add -Wno-old-style-definition.
	* gcc.dg/tree-ssa/20030807-7.c: Add -Wno-old-style-definition.
	* gcc.dg/tree-ssa/20030814-4.c: Add -Wno-old-style-definition.
	* gcc.dg/tree-ssa/20030814-5.c: Add -Wno-old-style-definition.
	* gcc.dg/tree-ssa/20030814-6.c: Add -Wno-old-style-definition.
	* gcc.dg/tree-ssa/20030918-1.c: Add -Wno-old-style-definition.
	* gcc.dg/tree-ssa/20040514-2.c: Add -Wno-old-style-definition.
	* gcc.dg/tree-ssa/loadpre7.c: Add -Wno-old-style-definition.
	* gcc.dg/tree-ssa/pr111003.c: Add -std=gnu17.
	* gcc.dg/tree-ssa/pr115128.c: Add -std=gnu17.
	* gcc.dg/tree-ssa/pr115191.c: Add -std=gnu17.
	* gcc.dg/tree-ssa/pr24840.c: Add -std=gnu17.
	* gcc.dg/tree-ssa/pr69666.c: Add -std=gnu17.
	* gcc.dg/tree-ssa/pr70232.c: Add -std=gnu17.
	* gcc.dg/ubsan/pr79757-1.c: Add -Wno-old-style-definition.
	* gcc.dg/ubsan/pr79757-2.c: Add -Wno-old-style-definition.
	* gcc.dg/ubsan/pr79757-3.c: Add -Wno-old-style-definition.
	* gcc.dg/ubsan/pr81223.c: Add -std=gnu17.
	* gcc.dg/uninit-10-O0.c: Add -Wno-old-style-definition.
	* gcc.dg/uninit-10.c: Add -Wno-old-style-definition.
	* gcc.dg/uninit-32.c: Add -std=gnu17.
	* gcc.dg/uninit-41.c: Add -std=gnu17.
	* gcc.dg/uninit-A-O0.c: Add -Wno-old-style-definition.
	* gcc.dg/uninit-A.c: Add -Wno-old-style-definition.
	* gcc.dg/unused-1.c: Add -Wno-old-style-definition.
	* gcc.dg/vect/bb-slp-pr114249.c: Add -std=gnu17.
	* gcc.dg/vect/bb-slp-pr97486.c: Add -std=gnu17.
	* gcc.dg/vect/bb-slp-subgroups-1.c: Add -std=gnu17.
	* gcc.dg/vect/bb-slp-subgroups-2.c: Add -std=gnu17.
	* gcc.dg/vect/bb-slp-subgroups-3.c: Add -std=gnu17.
	* gcc.dg/vect/vect-early-break_111-pr113731.c: Add -std=gnu17.
	* gcc.dg/vect/vect-early-break_122-pr114239.c: Add -std=gnu17.
	* gcc.dg/vect/vect-multi-peel-gaps.c: Add -std=gnu17.
	* gcc.dg/vla-stexp-2.c: Add -std=gnu17.
	* gcc.dg/warn-1.c: Add -Wno-old-style-definition.
	* gcc.dg/winline-10.c: Add -Wno-old-style-definition.
	* gcc.dg/wtr-label-1.c: Add -Wno-old-style-definition.
	* gcc.dg/wtr-switch-1.c: Add -Wno-old-style-definition.
	* gcc.target/i386/excess-precision-3.c: Add
	-Wno-old-style-definition.
	* gcc.target/i386/fma4-256-nmsubXX.c: Add -std=gnu17.
	* gcc.target/i386/fma4-nmsubXX.c: Add -std=gnu17.
	* gcc.target/i386/nop-mcount.c: Add -Wno-old-style-definition.
	* gcc.target/i386/pr102627.c: Add -std=gnu17.
	* gcc.target/i386/pr106994.c: Add -std=gnu17.
	* gcc.target/i386/pr68349.c: Add -std=gnu17.
	* gcc.target/i386/pr97313.c: Add -std=gnu17.
	* gcc.target/i386/pr99454.c: Add -std=gnu17.
	* gcc.target/i386/record-mcount.c: Add -Wno-old-style-definition.

libffi/
	* testsuite/libffi.call/va_struct2.c (test_fn): Cast n to void.
	* testsuite/libffi.call/va_struct3.c (test_fn): Likewise.
	Backported from <https://github.com/libffi/libffi/pull/861>.
 		2024-10-16 16:48:24 +00:00
.github Minor formatting fix for newly-added file from previous commit 2023-11-01 19:28:56 -04:00
INSTALL
…
c++tools Daily bump. 2024-05-09 10:58:01 +00:00
config Daily bump. 2024-04-17 00:18:45 +00:00
contrib Daily bump. 2024-10-10 00:19:03 +00:00
fixincludes Daily bump. 2024-07-12 00:17:52 +00:00
gcc testsuite: Prepare for -std=gnu23 default 2024-10-16 16:48:24 +00:00
gnattools Daily bump. 2024-07-08 00:17:01 +00:00
gotools Daily bump. 2024-04-16 00:18:06 +00:00
include Daily bump. 2024-10-08 00:19:04 +00:00
libada Update copyright years. 2024-01-03 12:19:35 +01:00
libatomic Daily bump. 2024-09-03 00:21:29 +00:00
libbacktrace Daily bump. 2024-08-06 00:17:19 +00:00
libcc1 Daily bump. 2024-09-21 00:16:55 +00:00
libcody Update Copyright year in ChangeLog files 2024-01-03 11:35:18 +01:00
libcpp Ternary operator formatting fixes 2024-10-16 14:44:32 +02:00
libdecnumber Daily bump. 2024-04-03 00:17:29 +00:00
libffi testsuite: Prepare for -std=gnu23 default 2024-10-16 16:48:24 +00:00
libgcc Daily bump. 2024-10-16 11:37:33 +00:00
libgfortran Daily bump. 2024-10-08 00:19:04 +00:00
libgm2 Daily bump. 2024-05-30 00:16:44 +00:00
libgo runtime: dump registers on Solaris 2024-04-29 11:39:58 -07:00
libgomp Add libgomp.oacc-fortran/acc_on_device-1-4.f 2024-10-16 16:15:40 +02:00
libgrust Daily bump. 2024-08-02 00:18:55 +00:00
libiberty Daily bump. 2024-10-11 00:17:48 +00:00
libitm Daily bump. 2024-09-24 00:18:14 +00:00
libobjc Daily bump. 2024-09-24 00:18:14 +00:00
libphobos Daily bump. 2024-09-03 00:21:29 +00:00
libquadmath Daily bump. 2024-08-29 00:19:25 +00:00
libsanitizer Daily bump. 2024-09-06 00:19:10 +00:00
libssp Daily bump. 2024-05-09 10:58:01 +00:00
libstdc++-v3 Daily bump. 2024-10-16 11:37:33 +00:00
libvtv Daily bump. 2024-09-03 00:21:29 +00:00
lto-plugin Daily bump. 2024-08-24 00:18:13 +00:00
maintainer-scripts Daily bump. 2024-07-20 00:17:53 +00:00
zlib
…
.b4-config Add config file so b4 uses inbox.sourceware.org automatically 2024-07-28 11:13:16 +01:00
.dir-locals.el dir-locals: apply our C settings in C++ also 2024-07-31 20:38:27 +02:00
.gitattributes
…
.gitignore Git ignores .vscode 2024-09-12 22:51:00 +08:00
ABOUT-NLS
…
COPYING
…
COPYING.LIB
…
COPYING.RUNTIME
…
COPYING3
…
COPYING3.LIB
…
ChangeLog Daily bump. 2024-10-16 11:37:33 +00:00
ChangeLog.jit
…
ChangeLog.tree-ssa
…
MAINTAINERS MAINTAINERS: Fix name order 2024-10-16 08:50:46 +02:00
Makefile.def gccrs: Fix missing build dependency 2024-01-16 16:23:02 +01:00
Makefile.in Makefile.tpl: fix whitespace in licence header 2024-08-22 03:41:12 +01:00
Makefile.tpl Makefile.tpl: fix whitespace in licence header 2024-08-22 03:41:12 +01:00
README
…
SECURITY.txt SECURITY.txt: Drop "exploitable" in reference to hardening issues 2024-01-09 10:49:01 -05:00
ar-lib
…
compile
…
config-ml.in config-ml.in: Fix multi-os-dir search 2024-05-06 12:08:28 +08:00
config.guess
…
config.rpath
…
config.sub
…
configure [PATCH] configure: fix typos 2024-09-18 11:51:45 -06:00
configure.ac [PATCH] configure: fix typos 2024-09-18 11:51:45 -06:00
depcomp
…
install-sh
…
libtool-ldflags
…
libtool.m4 Build: fix error in fixinclude configure 2023-11-22 11:54:33 +01:00
ltgcc.m4
…
ltmain.sh ltmain.sh: allow more flags at link-time 2024-09-25 19:05:24 +01:00
ltoptions.m4
…
ltsugar.m4
…
ltversion.m4
…
lt~obsolete.m4
…
missing
…
mkdep
…
mkinstalldirs
…
move-if-change
…
multilib.am
…
symlink-tree
…
test-driver
…
ylwrap
…

README 

This directory contains the GNU Compiler Collection (GCC).

The GNU Compiler Collection is free software.  See the files whose
names start with COPYING for copying permission.  The manuals, and
some of the runtime libraries, are under different terms; see the
individual source files for details.

The directory INSTALL contains copies of the installation information
as HTML and plain text.  The source of this information is
gcc/doc/install.texi.  The installation information includes details
of what is included in the GCC sources and what files GCC installs.

See the file gcc/doc/gcc.texi (together with other files that it
includes) for usage and porting information.  An online readable
version of the manual is in the files gcc/doc/gcc.info*.

See http://gcc.gnu.org/bugs/ for how to report bugs usefully.

Copyright years on GCC source files may be listed using range
notation, e.g., 1987-2012, indicating that every year in the range,
inclusive, is a copyrightable year that could otherwise be listed
individually.