[cfe-dev] [SystemZ] [release_34] clang regressions

İsmail Dönmez ismail at donmez.ws
Wed Dec 4 00:58:35 PST 2013


On Tue, Dec 3, 2013 at 1:27 PM, Richard Sandiford <
rsandifo at linux.vnet.ibm.com> wrote:

> İsmail Dönmez <ismail at donmez.ws> writes:
> > The 2 llvm regressions I reported are now fixed (thanks again!) but now I
> > see 7 clang regressions:
> Yeah, sorry, I was seeing these too, but because I don't know clang
> it took me a while to debug which part of it was being miscompiled.
> I've just committed a fix for four of them as r196267 (trunk) and
> r196268 (branch).  That leaves the Index failures:
> >      Clang :: Index/TestClassDecl.m
> >      Clang :: Index/TestClassForwardDecl.m
> >      Clang :: Index/c-index-getCursor-test.m
> which I'm looking at now.

Confirmed as fixed except the last 3 as you said.

> FWIW, my normal testing procedure involves bootstrapping clang in
> Release and Release+Asserts mode and then checking that the stage 2
> and stage 3 objects are identical.  I do the other testing
> (projects/testsuite, etc.) on an unbootstrapped compiler and run
> them first, since failures in those testsuites are easier to track
> down than bootstrap failures.
> That seems to have missed three separate bugs though, so from now on I'll
> also run the testsuite on each bootstrap stage.

Thats good to know, I only test clang on SystemZ just before release so its
not really helpful.

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