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Build failure with LLVM 3.4 #8532
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Same issue with LLVM_SVN. You see there was rather big merge #8420 |
On centos7, and cento6 with stock compiler and LLVM 3.3 compilation succeeds. |
LLVM 3.4 could certainly be the issue here, or more accurately, our level of compatibility with it. |
Here's what
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I see segfaults like this intermittently. If you build this over and over again, does the segfault reliably happen? |
I have seen this too on LLVM 3.6. |
@staticfloat I've run it three times, and it failed every time. |
I also see this on Fedora 20 (again with LLVM 3.4):
The error is different but it seems to appear at the same step. |
Something is really broken with MCJIT versions of julia at the moment. This really needs to be fixed. |
Today some of the builds passed, and only failed in the first test:
But another one is still the same, so maybe there's indeed a random component: |
Yep, seen that too. For what it's worth, building with assertions gives:
though I think memory corruption may be more likely. |
Actually, I think I may know what the issue is. Hold on. |
@Keno Looks good now, thanks! Now I need to find out why tests fail on 32-bit only. |
I've made some progress in building an RPM package on RHEL6, but I'm getting a segfault at the end of the construction of the system image. Does that sound familiar to anybody? I've installed devtoolset-2, so it's using GCC 4.8, and LLVM is 3.4.2.
http://copr-be.cloud.fedoraproject.org/results/nalimilan/julia-nightlies/epel-6-x86_64/julia-0.4.0dev-0.20140930.fc20/build.log
Cc: @crayxt
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