[cfe-dev] LLVM 4.0.1-rc1 has been tagged

[Simon Dardis via cfe-dev]

I had no luck tracking down the commit that cause Compiler-rt to change it's supported
targets for the machine I was building on. It may be due to change in the machine's
configuration.

I'm not considering them release blockers as some are  known defects partially caused by
the test machine's version of libc. The Dataflow sanitizer regression I have a posted patch
for but it hasn't gone through review yet. But the underlying bug was there for some time,
it wasn't tested.

Thanks,
Simon

> -----Original Message-----
> From: Tom Stellard [mailto:tstellar at redhat.com]
> Sent: 30 May 2017 14:41
> To: Simon Dardis
> Cc: llvm-dev at lists.llvm.org; Release-testers; cfe-dev at lists.llvm.org
> Subject: Re: [cfe-dev] LLVM 4.0.1-rc1 has been tagged
> 
> On 05/08/2017 05:41 AM, Tom Stellard via cfe-dev wrote:
> > On 05/05/2017 02:37 PM, Simon Dardis wrote:
> >> Hi,
> >>
> >> I'm seeming new regressions form 4.0.0 for mips big endian:
> >>
> >>     DataFlowSanitizer-mips64 :: custom.cc
> >>     DataFlowSanitizer-mips64 :: propagate.c
> >>     SanitizerCommon-asan-mips-Linux ::
> sanitizer_coverage_trace_pc_guard-dso.cc
> >>     SanitizerCommon-asan-mips-Linux ::
> sanitizer_coverage_trace_pc_guard.cc
> >>     SanitizerCommon-asan-mips64-Linux ::
> Linux/getpwnam_r_invalid_user.cc
> >>     SanitizerCommon-asan-mips64-Linux ::
> sanitizer_coverage_trace_pc_guard-dso.cc
> >>     SanitizerCommon-asan-mips64-Linux ::
> sanitizer_coverage_trace_pc_guard.cc
> >>     SanitizerCommon-lsan-mips64-Linux ::
> Linux/getpwnam_r_invalid_user.cc
> >>     SanitizerCommon-lsan-mips64-Linux ::
> sanitizer_coverage_trace_pc_guard-dso.cc
> >>     SanitizerCommon-lsan-mips64-Linux ::
> sanitizer_coverage_trace_pc_guard.cc
> >>     SanitizerCommon-msan-mips64-Linux ::
> sanitizer_coverage_trace_pc_guard-dso.cc
> >>     SanitizerCommon-msan-mips64-Linux ::
> >> sanitizer_coverage_trace_pc_guard.cc
> >>
> >
> > Can you bisect to see which commit broke these tests?
> >
> 
> Did you ever figure out what caused the regressions?  Do you think these are
> release blockers?
> 
> -Tom
> 
> > -Tom
> >
> >> I'm already aware of the dataflow sanitizer bug. The
> >> sanitizer_coverage_trace_pc_guard(-dso) failures for (a, l, m)san-mips64-
> Linux is an occurrence of a existing failure.
> >>
> >> Little endian and debian are ok.
> >>
> >> I've uploaded the binaries.
> >>
> >> SHA1(clang+llvm-4.0.1-rc1-mips-linux-gnu.tar.xz)=
> >> bd5dd8ccc1e584c6846dea2b743a4227506a8f6b
> >> SHA1(clang+llvm-4.0.1-rc1-mipsel-linux-gnu.tar.xz)=
> >> 4cc5ad7f6ab763a8b93a3168ed6420e1db4b8052
> >> SHA1(clang+llvm-4.0.1-rc1-x86_64-linux-gnu-debian8.tar.xz)=
> >> bac30cd1820e0a3e8abd45e5ca836ea3ef0f78dc
> >>
> >> Thanks,
> >> Simon
> >>
> >
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