Date: Fri, 9 Oct 2020 19:10:00 -0400 From: Rich Felker <dalias@...c.org> To: "joao@...rdrivepizza.com" <joao@...rdrivepizza.com> Cc: musl@...ts.openwall.com Subject: Re: -frounding-math breaking src/math/acosf.c On Sat, Oct 10, 2020 at 12:16:13AM +0200, joao@...rdrivepizza.com wrote: > Hi, > > I just noticed that the upstream LLVM is no longer capable of > compiling musl 1.2.0 (and possibly more recent versions too) when > -frounding-math is in use. I bisected the LLVM commit to > https://reviews.llvm.org/D87822, and pointed the problem there. > > Just reporting in case someone else also has issues with this. > > Best, > Joao. Thanks. This probably needs to be reported as aa bug against LLVM (or clang?) rather than just a comment on the review so that it's tracked as such. It seems they've erroneously made it treat static initializers as non-constant-expressions rather than evaluating them statically in the default rounding mode per the spec. Rich
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