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Issue 682452 link

Starred by 1 user
Status: WontFix
Owner: ----
Closed: Sep 2017
EstimatedDays: ----
NextAction: ----
OS: Chrome
Pri: 2
Type: Bug



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Compiler crash (clang) building chromeos-chrome

Project Member Reported by rahulchaudhry@chromium.org, Jan 18 2017 
clang always crashes while compiling this object file:

FAILED: obj/cc/ipc/ipc/cc_param_traits.o (Segmentation fault)

The failure only happens with llvm.
Does not show up on llvm-next builders.

Examples:

amd64: https://uberchromegw.corp.google.com/i/chromiumos.tryserver/builders/release/builds/8364/steps/BuildPackages%20%5Bafdo_use%5D/logs/stdio
arm: https://uberchromegw.corp.google.com/i/chromiumos.tryserver/builders/release/builds/8367/steps/BuildPackages%20%5Bafdo_use%5D/logs/stdio

Comment 1 by llozano@chromium.org, Jan 18 2017 

interesting.. 

we have a builder that is using current llvm to build chrome? 

is this new? 

as long as it is not happening with llvm-next, we should be ok.

Comment 2 by rahulchaudhry@chromium.org, Jan 18 2017 

These are our "Nightly test, xyz, llvm" builders.
They patch in https://chromium-review.googlesource.com/#/c/315731/,
which enables using clang to build chromeos-chrome.

Comment 3 by llozano@chromium.org, Jan 18 2017 

when did this started happening? 

would it be ok to leave this unfixed since we are planning to migrate compiler early next week?

Comment 4 by rahulchaudhry@chromium.org, Jan 18 2017

Labels: -Pri-1 Pri-2
The compiler crashes started over this weekend.

Lowering the priority, since we're planning to switch to llvm-next before we make the switch to building chrome with clang.

Comment 5 by laszio@chromium.org, Jan 19 2017 

It looks like AFDO caused this. Should we disable afdo on those builders, or make them llvm-next?

Comment 6 by yunlian@chromium.org, Sep 25 2017

Status: WontFix (was: Untriaged)
This should be fixed after LLVM roll.
►

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