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math: Fix test-fenv.c feupdateenv tests
The feupdateenv tests added by 802aef27b2
do not restore the floating
point mask, which might keep some floating point exception enabled and
thus make the feupdateenv_single_test raise an unexpected signal.
Checked on x86_64-linux-gnu and aarch64-linux-gnu (on Apple M1 trapping
is supported).
Reviewed-by: Szabolcs Nagy <szabolcs.nagy@arm.com>
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@ -659,6 +659,7 @@ static void
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feupdate_single_test (const char *flag_name, int fe_exc)
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{
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feenv_nomask_test (flag_name, fe_exc, feupdateenv);
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fesetenv (FE_DFL_ENV);
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feenv_mask_test (flag_name, fe_exc, feupdateenv);
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}
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#endif
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