Date: Mon, 27 May 2013 22:01:15 +0200 From: Dimitry Andric <dim@FreeBSD.org> To: Steve Kargl <sgk@troutmask.apl.washington.edu>, David Schultz <das@FreeBSD.org> Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org, src-committers@freebsd.org Subject: Re: svn commit: r251024 - in head: lib/msun lib/msun/ld128 lib/msun/ld80 lib/msun/src tools/regression/lib/msun Message-ID: <51A3BB8B.8020405@FreeBSD.org> In-Reply-To: <20130527140722.GA43583@troutmask.apl.washington.edu> References: <201305270850.r4R8oA6g008947@svn.freebsd.org> <20130527140722.GA43583@troutmask.apl.washington.edu>
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On 2013-05-27 16:07, Steve Kargl wrote: > On Mon, May 27, 2013 at 08:50:10AM +0000, David Schultz wrote: >> Author: das >> Date: Mon May 27 08:50:10 2013 >> New Revision: 251024 >> URL: http://svnweb.freebsd.org/changeset/base/251024 >> >> Log: >> Fix some regressions caused by the switch from gcc to clang. The fixes >> are workarounds for various symptoms of the problem described in clang >> bugs 3929, 8100, 8241, 10409, and 12958. >> >> The regression tests did their job: they failed, someone brought it >> up on the mailing lists, and then the issue got ignored for 6 months. >> Oops. There may still be some regressions for functions we don't have >> test coverage for yet. >> > > The combination of clang+regression tests is almost unusable. > > % cd src/tools/regressions/lib/msun > % make |& tee sgk.log > % grep generated sgk.log > 41 warnings generated. > 1 warning generated. > 1 warning generated. > 593 warnings generated. > 51 warnings generated. > 1 warning generated. > 221 warnings generated. > 1 warning generated. > 265 warnings generated. > 84 warnings generated. > 1 warning generated. > 1 warning generated. > 2 warnings generated. > 74 warnings generated. The following should help. Results in just a few warnings now, which may or may not be real bugs: 1 warning generated. 1 warning generated. 2 warnings generated. 1 warning generated. Index: tools/regression/lib/msun/Makefile =================================================================== --- tools/regression/lib/msun/Makefile (revision 250997) +++ tools/regression/lib/msun/Makefile (working copy) @@ -5,6 +5,7 @@ test-fmaxmin test-ilogb test-invtrig test-logarithm test-lrint \ test-lround test-nan test-nearbyint test-next test-rem test-trig CFLAGS+= -O0 -lm +CFLAGS+= -Wno-unused-value -Wno-unknown-pragmas .PHONY: tests tests: ${TESTS}
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