buildbot failure in LLVM on llvm-mips-linux (probably r206769)

[Jim Grosbach]

Excellent. Thank you! I’ll have a closer look and see what’s up.

-Jim
On Apr 22, 2014, at 7:53 AM, Daniel Sanders <Daniel.Sanders at imgtec.com> wrote:

> I can reproduce it on the same machine the MIPS builder used.
> 
> The problem seems to be related to this hunk:
> --- RuntimeDyld.cpp     2014-04-22 14:23:24.243823000 +0000
> +++ RuntimeDyld.r206769.cpp     2014-04-22 14:10:56.729443000 +0000
> @@ -324,13 +318,12 @@
>   // necessary section allocation size in loadObject by walking all the sections
>   // once.
>   unsigned StubBufSize = 0;
> -  for (section_iterator SI = Obj.begin_sections(), SE = Obj.end_sections();
> -       SI != SE; ++SI) {
> -    section_iterator RelSecI = SI->getRelocatedSection();
> +  for (const SectionRef &Section : Obj.sections()) {
> +    section_iterator RelSecI = Section.getRelocatedSection();
>     if (!(RelSecI == Section))
>       continue;
> 
> -    for (const RelocationRef &Reloc : SI->relocations()) {
> +    for (const RelocationRef &Reloc : Section.relocations()) {
>       (void)Reloc;
>       StubBufSize += StubSize;
>     }
> 
> The hunk by itself is enough to make the tests fail. Applying all hunks except that one passes.
> 
>> -----Original Message-----
>> From: llvm-commits-bounces at cs.uiuc.edu [mailto:llvm-commits-
>> bounces at cs.uiuc.edu] On Behalf Of Hal Finkel
>> Sent: 21 April 2014 21:08
>> To: Jim Grosbach
>> Cc: llvm-commits; gkistanova at gmail.com; llvm buildmaster; Reed Kotler
>> Subject: Re: buildbot failure in LLVM on llvm-mips-linux (probably r206769)
>> 
>> ----- Original Message -----
>>> From: "Jim Grosbach" <grosbach at apple.com>
>>> To: "llvm buildmaster" <llvm.buildmaster at lab.llvm.org>, "llvm-commits"
>> <llvm-commits at cs.uiuc.edu>, "reed kotler"
>>> <rkotler at mips.com>, "Hal Finkel" <hfinkel at anl.gov>
>>> Cc: "Duncan P. N. Exon Smith" <dexonsmith at apple.com>,
>>> gkistanova at gmail.com
>>> Sent: Monday, April 21, 2014 2:42:53 PM
>>> Subject: Re: buildbot failure in LLVM on llvm-mips-linux (probably
>>> r206769)
>>> 
>>> Hi all,
>>> 
>>> I suspect this failure is related to my patch, but it doesn’t
>>> reproduce for me. Can anyone help verify that it’s a real failure and
>>> if so get a repro recipe to figure out what’s going on? Looks like
>>> it’s also happening on ppc bots.
>> 
>> I can reproduce this problem locally on a ppc64/Linux system with both a gcc-
>> compiled Release+Asserts build and a self-hosted Release build. Both of
>> these use libstdc++ (4.7 and 4.8 respectively).
>> 
>> -Hal
>> 
>>> 
>>> I reverted the change in r206773 in the meantime.
>>> 
>>> -Jim
>>> 
>>> On Apr 21, 2014, at 12:15 PM, llvm.buildmaster at lab.llvm.org wrote:
>>> 
>>>> The Buildbot has detected a new failure on builder llvm-mips-linux
>>>> while building llvm.
>>>> Full details are available at:
>>>> http://lab.llvm.org:8011/builders/llvm-mips-linux/builds/8305
>>>> 
>>>> Buildbot URL: http://lab.llvm.org:8011/
>>>> 
>>>> Buildslave for this Build: mipsswbrd002
>>>> 
>>>> Build Reason: scheduler
>>>> Build Source Stamp: [branch trunk] 206769
>>>> Blamelist: dexonsmith,grosbach
>>>> 
>>>> BUILD FAILED: failed test-llvm
>>>> 
>>>> sincerely,
>>>> -The Buildbot
>>>> 
>>>> 
>>>> 
>>> 
>>> 
>> 
>> --
>> Hal Finkel
>> Assistant Computational Scientist
>> Leadership Computing Facility
>> Argonne National Laboratory
>> 
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