[llvm-commits] [llvm] r133708 - in /llvm/trunk: include/llvm/ include/llvm/Support/ lib/MC/ lib/Target/CppBackend/ lib/Transforms/Scalar/ lib/Transforms/Utils/ lib/VMCore/

[Francois Pichet]

On Sun, Jun 26, 2011 at 11:31 PM, NAKAMURA Takumi <geek4civic at gmail.com> wrote:
> Cameron and Jay,
>
> FYI, it was so weird for me too.
> I have not met the failure on llvm/test, but I got sometimes
> clang/CodeGen failed.
>
> As far as my investigation;
>
>  - I can see hangup only with "Release" build.
>  - I could not reproduce with single-run of the test, (I had to run
> entire clang/test/CodeGen then)
>  - It might depend on link order, for example, to tweak
> TARGETS_TO_BUILD, it appeared and disappeared. XD
>  - When I saw hangup, it could be resolved to revert r133708. (and
> reprod to reapply it)
>   (I found it with bisect-ing)
>  - I cannot meet it on ToT, apparently fine. (sigh...)

It still happens to me on ToT all the time in release mode. clang is
stuck at 25% CPU utilization (I have a quadcore) on test
CodeGen/vla.c.. I have to manually kill clang for the test run to
finish.

reverting r133708 fixes the problem.