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Bug #13566
closed
libm: 'fq[0]' may be used uninitialized
Start date:
Due date:
% Done:
100%
Estimated time:
Difficulty:
Bite-size
Tags:
Gerrit CR:
Description
Build error with gcc 10:
../common/C/__rem_pio2m.c: In function '__libm__rem_pio2m':
../common/C/__rem_pio2m.c:329:10: error: 'fq[0]' may be used uninitialized in this function [-Werror=maybe-uni
nitialized]
329 | fw = fq[0] - fw;
| ~~^~~
cc1: all warnings being treated as errors
*** Error code 1
dmake: Warning: Command failed for target `pics/__rem_pio2m.o'
Current working directory /code/illumos-gate/usr/src/lib/libm/amd64
Testing done: used test from netbsd libm test kit:
tsoome@beastie:/code/illumos-gate/usr/src/test/libm-tests$ ./sin_test -l Content-Type: application/X-atf-tp; version="1" ident: sin_angles descr: Test some selected angles ident: sin_nan descr: Test sin(NaN) == NaN ident: sin_inf_neg descr: Test sin(-Inf) == NaN ident: sin_inf_pos descr: Test sin(+Inf) == NaN ident: sin_zero_neg descr: Test sin(-0.0) == -0.0 ident: sin_zero_pos descr: Test sin(+0.0) == +0.0 ident: sinf_angles descr: Test some selected angles ident: sinf_nan descr: Test sinf(NaN) == NaN ident: sinf_inf_neg descr: Test sinf(-Inf) == NaN ident: sinf_inf_pos descr: Test sinf(+Inf) == NaN ident: sinf_zero_neg descr: Test sinf(-0.0) == -0.0 ident: sinf_zero_pos descr: Test sinf(+0.0) == +0.0 tsoome@beastie:/code/illumos-gate/usr/src/test/libm-tests$ for i in sin_angles sin_nan sin_inf_neg sin_inf_pos sin_zero_neg sin_zero_pos sinf_angles sinf_nan sinf_inf_neg sinf_inf_pos sinf_zero_neg sinf_zero_pos; do > ./sin_test $i > done sin_test: WARNING: Running test cases outside of kyua(1) is unsupported sin_test: WARNING: No isolation nor timeout control is being applied; you may get unexpected failures; see atf-test-case(4) passed sin_test: WARNING: Running test cases outside of kyua(1) is unsupported sin_test: WARNING: No isolation nor timeout control is being applied; you may get unexpected failures; see atf-test-case(4) passed sin_test: WARNING: Running test cases outside of kyua(1) is unsupported sin_test: WARNING: No isolation nor timeout control is being applied; you may get unexpected failures; see atf-test-case(4) passed sin_test: WARNING: Running test cases outside of kyua(1) is unsupported sin_test: WARNING: No isolation nor timeout control is being applied; you may get unexpected failures; see atf-test-case(4) passed sin_test: WARNING: Running test cases outside of kyua(1) is unsupported sin_test: WARNING: No isolation nor timeout control is being applied; you may get unexpected failures; see atf-test-case(4) passed sin_test: WARNING: Running test cases outside of kyua(1) is unsupported sin_test: WARNING: No isolation nor timeout control is being applied; you may get unexpected failures; see atf-test-case(4) passed sin_test: WARNING: Running test cases outside of kyua(1) is unsupported sin_test: WARNING: No isolation nor timeout control is being applied; you may get unexpected failures; see atf-test-case(4) passed sin_test: WARNING: Running test cases outside of kyua(1) is unsupported sin_test: WARNING: No isolation nor timeout control is being applied; you may get unexpected failures; see atf-test-case(4) passed sin_test: WARNING: Running test cases outside of kyua(1) is unsupported sin_test: WARNING: No isolation nor timeout control is being applied; you may get unexpected failures; see atf-test-case(4) passed sin_test: WARNING: Running test cases outside of kyua(1) is unsupported sin_test: WARNING: No isolation nor timeout control is being applied; you may get unexpected failures; see atf-test-case(4) passed sin_test: WARNING: Running test cases outside of kyua(1) is unsupported sin_test: WARNING: No isolation nor timeout control is being applied; you may get unexpected failures; see atf-test-case(4) passed sin_test: WARNING: Running test cases outside of kyua(1) is unsupported sin_test: WARNING: No isolation nor timeout control is being applied; you may get unexpected failures; see atf-test-case(4) passed tsoome@beastie:/code/illumos-gate/usr/src/test/libm-tests$
Updated by
Updated by Electric Monk about 1 year ago
- Status changed from In Progress to Closed
- % Done changed from 90 to 100
git commit 7c94ff60ae7c4cbdb9496a43a9d9eb85568413e3
commit 7c94ff60ae7c4cbdb9496a43a9d9eb85568413e3
Author: Toomas Soome <tsoome@me.com>
Date: 2021-05-24T17:42:31.000Z
13566 libm: 'fq[0]' may be used uninitialized
Reviewed by: Andy Fiddaman <andy@omnios.org>
Approved by: Robert Mustacchi <rm@fingolfin.org>
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