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glibc/stdlib
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Joseph Myers 84c426b85d Ignore -Wmaybe-uninitialized in stdlib/bug-getcontext.c. 
Doing all-ABIs compile testing produces a compiler warning in
stdlib/bug-getcontext.c on nios2 and tilepro (with GCC 5 branch):

bug-getcontext.c: In function 'do_test':
bug-getcontext.c:53:6: error: 'except_mask' may be used uninitialized in this function [-Werror=maybe-uninitialized]
   if (mask != except_mask)
      ^

This warning appears nonsensical; except_mask is initialized where
it's declared.  I think what must be happening here is that the
compiler is confused by the returns-twice nature of getcontext: if
there were a call to setcontext, local variables could indeed have
lost their values on the second return from getcontext.  This patch
duly uses the DIAG_* macros to disable the warning here.

Tested for nios2 and tilepro (compilation only; after this patch all
the tests compile, though there are other failures) and x86_64 (full
testsuite run).

	* stdlib/bug-getcontext.c: Include <libc-internal.h>.
	(do_test): Disable -Wmaybe-uninitialized around uses of
	except_mask.
2016-11-11 21:05:51 +00:00
..
bits Add strfromd, strfromf, and strfroml functions 2016-10-25 17:03:54 -02:00
sys
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addmul_1.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
alloca.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
at_quick_exit.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
atexit.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
atof.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
atoi.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
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atoll.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
bsearch.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
bug-fmtmsg1.c
bug-getcontext.c Ignore -Wmaybe-uninitialized in stdlib/bug-getcontext.c. 2016-11-11 21:05:51 +00:00
bug-strtod2.c Refactor strtod tests 2016-10-25 17:05:47 -02:00
bug-strtod.c Refactor strtod tests 2016-10-25 17:05:47 -02:00
canonicalize.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
cmp.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
cxa_at_quick_exit.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
cxa_atexit.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
cxa_finalize.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
cxa_thread_atexit_impl.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
dbl2mpn.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
Depend
div.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
divmod_1.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
divrem.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
drand48_r.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
drand48-iter.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
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erand48.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
errno.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
exit.c Bug 20198: quick_exit should not call destructors. 2016-06-06 21:40:25 -04:00
exit.h Bug 20198: quick_exit should not call destructors. 2016-06-06 21:40:25 -04:00
fmtmsg.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
fmtmsg.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
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gen-fpioconst.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
gen-tst-strtod-round.c Make strtod raise "inexact" exceptions (bug 19380). 2016-10-28 00:40:23 +00:00
getcontext.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
getenv.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
getsubopt.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
gmp-impl.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
gmp.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
grouping.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
grouping.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
groupingwc.c
inlines.c
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ldbl2mpn.c
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longlong.h longlong: fix sh -Wundef builds 2016-01-07 17:29:17 -05:00
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lrand48.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
lshift.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
makecontext.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
Makefile Add tests for strfrom functions 2016-10-25 17:11:53 -02:00
mblen.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
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monetary.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
mp_clz_tab.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
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mpn2ldbl.c
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msort.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
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old_atexit.c
on_exit.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
putenv.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
qsort.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
quick_exit.c Bug 20198: quick_exit should not call destructors. 2016-06-06 21:40:25 -04:00
rand_r.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
rand.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
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random.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
rpmatch.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
rshift.c Fix build failures with -DDEBUG. 2016-01-15 11:07:41 -07:00
secure-getenv.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
seed48_r.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
seed48.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
setcontext.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
setenv.c Suppress GCC 6 warning about ambiguous 'else' with -Wparentheses 2016-04-15 13:30:55 +02:00
srand48_r.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
srand48.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
stdlib.h Add strfromd, strfromf, and strfroml functions 2016-10-25 17:03:54 -02:00
strfmon_l.c libio: Implement vtable verification [BZ #20191] 2016-06-23 20:01:52 +02:00
strfmon.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
strfrom-skeleton.c Add strfromd, strfromf, and strfroml functions 2016-10-25 17:03:54 -02:00
strfromd.c Add strfromd, strfromf, and strfroml functions 2016-10-25 17:03:54 -02:00
strfromf.c Add strfromd, strfromf, and strfroml functions 2016-10-25 17:03:54 -02:00
strfroml.c Add strfromd, strfromf, and strfroml functions 2016-10-25 17:03:54 -02:00
strtod_l.c Make strtod raise "inexact" exceptions (bug 19380). 2016-10-28 00:40:23 +00:00
strtod_nan_double.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
strtod_nan_float.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
strtod_nan_main.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
strtod_nan_narrow.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
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strtod_nan.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
strtod.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
strtof_l.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
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strtoimax.c
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strtoumax.c
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swapcontext.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
system.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tens_in_limb.c
test-a64l.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
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testdiv.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
testdiv.input
testmb2.c
testmb.c
testrand.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
testsort.c
tst-atof1.c
tst-atof2.c
tst-bsearch.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-environ.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-fmtmsg.c Modify several tests to use test-skeleton.c 2014-11-05 15:24:08 +05:30
tst-fmtmsg.sh Make shebang interpreter directives consistent 2016-01-07 04:03:21 -05:00
tst-limits.c Fix a couple of -Wundef warnings. 2014-12-29 23:14:38 -05:00
tst-makecontext2.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-makecontext3.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-makecontext.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-putenv.c
tst-putenvmod.c
tst-qsort2.c stdlib/tst-qsort2.c: Fix off-by-one argc interpretation error 2014-06-20 21:29:33 +01:00
tst-qsort.c
tst-quick_exit.cc quick_exit tests: Do not use C++ headers 2016-06-09 12:09:43 +02:00
tst-rand48-2.c Modify several tests to use test-skeleton.c 2014-11-05 15:24:08 +05:30
tst-rand48.c Modify several tests to use test-skeleton.c 2014-11-05 15:24:08 +05:30
tst-random2.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-random.c Modify several tests to use test-skeleton.c 2014-11-05 15:24:08 +05:30
tst-secure-getenv.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-setcontext2.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-setcontext3.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-setcontext3.sh Make shebang interpreter directives consistent 2016-01-07 04:03:21 -05:00
tst-setcontext.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-strfmon_l.c strfmon_l: Use specified locale for number formatting [BZ #19633] 2016-04-04 15:18:13 +02:00
tst-strfrom-locale.c Add tests for strfrom functions 2016-10-25 17:11:53 -02:00
tst-strfrom.c Add tests for strfrom functions 2016-10-25 17:11:53 -02:00
tst-strfrom.h Add tests for strfrom functions 2016-10-25 17:11:53 -02:00
tst-strtod2.c
tst-strtod3.c
tst-strtod4.c
tst-strtod5.c
tst-strtod6.c Refactor strtod tests 2016-10-25 17:05:47 -02:00
tst-strtod-nan-locale-main.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-strtod-nan-locale.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-strtod-overflow.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-strtod-round-data Fix strtof decimal rounding close to half least subnormal (bug 18247). 2015-04-10 20:45:30 +00:00
tst-strtod-round-data.h Make strtod raise "inexact" exceptions (bug 19380). 2016-10-28 00:40:23 +00:00
tst-strtod-round-skeleton.c Make strtod raise "inexact" exceptions (bug 19380). 2016-10-28 00:40:23 +00:00
tst-strtod-round.c Add tst-wcstod-round 2016-08-19 11:17:07 -05:00
tst-strtod-underflow.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-strtod.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-strtod.h Refactor strtod tests 2016-10-25 17:05:47 -02:00
tst-strtol-locale-main.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-strtol-locale.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-strtol.c Convert 703 function definitions to prototype style. 2015-10-16 20:21:49 +00:00
tst-strtoll.c Convert 703 function definitions to prototype style. 2015-10-16 20:21:49 +00:00
tst-system.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-thread-quick_exit.cc quick_exit tests: Do not use C++ headers 2016-06-09 12:09:43 +02:00
tst-tininess.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-tls-atexit-lib.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-tls-atexit-nodelete.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-tls-atexit.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
tst-unsetenv1.c
tst-width-stdint.c Add <stdint.h> integer width macros. 2016-09-21 17:06:36 +00:00
tst-width.c Add <limits.h> integer width macros. 2016-09-19 12:25:36 +00:00
tst-xpg-basename.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
ucontext.h Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
udiv_qrnnd.c
Versions Add strfromd, strfromf, and strfroml functions 2016-10-25 17:03:54 -02:00
wcstoimax.c
wcstombs.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
wcstoumax.c
wctomb.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00
xpg_basename.c Update copyright dates with scripts/update-copyrights. 2016-01-04 16:05:18 +00:00