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Re: C PATCH to further improve diagnostic for -Wsign-compare (PR c/81417)
- From: Andreas Schwab <schwab at suse dot de>
- To: Marek Polacek <polacek at redhat dot com>
- Cc: David Malcolm <dmalcolm at redhat dot com>, GCC Patches <gcc-patches at gcc dot gnu dot org>, Joseph Myers <joseph at codesourcery dot com>
- Date: Thu, 10 Aug 2017 09:35:07 +0200
- Subject: Re: C PATCH to further improve diagnostic for -Wsign-compare (PR c/81417)
- Authentication-results: sourceware.org; auth=none
- References: <20170731141452.GR3397@redhat.com> <1501515104.2365.5.camel@redhat.com> <20170801141527.GT3397@redhat.com> <1501620481.4181.15.camel@redhat.com> <20170802124339.GW3397@redhat.com>
FAIL: gcc.dg/compare2.c case 20 (test for warnings, line 49)
FAIL: gcc.dg/compare2.c case 24 (test for warnings, line 57)
FAIL: gcc.dg/compare2.c (test for excess errors)
Excess errors:
/usr/local/gcc/gcc-20170810/gcc/testsuite/gcc.dg/compare2.c:49:12: warning: operand of ?: changes signedness from 'int' to 'unsigned int' due to unsignedness of other operand [-Wsign-compare]
/usr/local/gcc/gcc-20170810/gcc/testsuite/gcc.dg/compare2.c:57:12: warning: operand of ?: changes signedness from 'int' to 'unsigned int' due to unsignedness of other operand [-Wsign-compare]
Andreas.
--
Andreas Schwab, SUSE Labs, schwab@suse.de
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"And now for something completely different."