ToTLinuxASanLibfuzzer seems to be broken for a week: the first breakage is quite confusing: https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/ToTLinuxASanLibfuzzer/1560

[268/3798] Building CXX object lib/TextAPI/CMakeFiles/LLVMTextAPI.dir/MachO/TextStub.cpp.o
FAILED: lib/TextAPI/CMakeFiles/LLVMTextAPI.dir/MachO/TextStub.cpp.o 
/usr/bin/c++  -DGTEST_HAS_RTTI=0 -D_DEBUG -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Ilib/TextAPI -I/b/s/w/ir/cache/builder/src/third_party/llvm/lib/TextAPI -I/usr/include/libxml2 -Iinclude -I/b/s/w/ir/cache/builder/src/third_party/llvm/include -DLLVM_FORCE_HEAD_REVISION -fPIC -fvisibility-inlines-hidden -std=c++11 -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long-long -Wno-maybe-uninitialized -Wdelete-non-virtual-dtor -Wno-comment -ffunction-sections -fdata-sections -O3    -UNDEBUG  -fno-exceptions -fno-rtti -MD -MT lib/TextAPI/CMakeFiles/LLVMTextAPI.dir/MachO/TextStub.cpp.o -MF lib/TextAPI/CMakeFiles/LLVMTextAPI.dir/MachO/TextStub.cpp.o.d -o lib/TextAPI/CMakeFiles/LLVMTextAPI.dir/MachO/TextStub.cpp.o -c /b/s/w/ir/cache/builder/src/third_party/llvm/lib/TextAPI/MachO/TextStub.cpp
/b/s/w/ir/cache/builder/src/third_party/llvm/lib/TextAPI/MachO/TextStub.cpp: In static member function 'static llvm::Expected<std::unique_ptr<llvm::MachO::InterfaceFile> > llvm::MachO::TextAPIReader::get(std::unique_ptr<llvm::MemoryBuffer>)':
/b/s/w/ir/cache/builder/src/third_party/llvm/lib/TextAPI/MachO/TextStub.cpp:643:10: error: could not convert 'File' from 'std::unique_ptr<llvm::MachO::InterfaceFile>' to 'llvm::Expected<std::unique_ptr<llvm::MachO::InterfaceFile> >'
   return File;
          ^
/b/s/w/ir/cache/builder/src/third_party/llvm/lib/TextAPI/MachO/TextStub.cpp:644:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^
[269/3798] Building CXX object lib/Option/CMakeFiles/LLVMOption.dir/Arg.cpp.o


But now there is another one: https://ci.chromium.org/p/chromium/builders/luci.chromium.ci/ToTLinuxASanLibfuzzer/1649

[934/982] Building CXX object lib/xray/CMakeFiles/RTXrayPROFILING.x86_64.dir/xray_profile_collector.cc.o
FAILED: lib/xray/CMakeFiles/RTXrayPROFILING.x86_64.dir/xray_profile_collector.cc.o 
/usr/bin/c++  -DXRAY_HAS_EXCEPTIONS=1 -I/b/s/w/ir/cache/builder/src/third_party/llvm/compiler-rt/lib/xray/.. -I/b/s/w/ir/cache/builder/src/third_party/llvm/compiler-rt/lib/xray/../../include -DLLVM_FORCE_HEAD_REVISION -Wall -std=c++11 -Wno-unused-parameter -O3 -DNDEBUG    -m64 -fPIC -fno-builtin -fno-exceptions -fomit-frame-pointer -funwind-tables -fno-stack-protector -fvisibility=hidden -fno-lto -O3 -g -Wno-variadic-macros -Wno-non-virtual-dtor -fno-rtti -MD -MT lib/xray/CMakeFiles/RTXrayPROFILING.x86_64.dir/xray_profile_collector.cc.o -MF lib/xray/CMakeFiles/RTXrayPROFILING.x86_64.dir/xray_profile_collector.cc.o.d -o lib/xray/CMakeFiles/RTXrayPROFILING.x86_64.dir/xray_profile_collector.cc.o -c /b/s/w/ir/cache/builder/src/third_party/llvm/compiler-rt/lib/xray/xray_profile_collector.cc
In file included from /b/s/w/ir/cache/builder/src/third_party/llvm/compiler-rt/lib/xray/xray_function_call_trie.h:20:0,
                 from /b/s/w/ir/cache/builder/src/third_party/llvm/compiler-rt/lib/xray/xray_profile_collector.h:21,
                 from /b/s/w/ir/cache/builder/src/third_party/llvm/compiler-rt/lib/xray/xray_profile_collector.cc:15:
/b/s/w/ir/cache/builder/src/third_party/llvm/compiler-rt/lib/xray/xray_segmented_array.h: In instantiation of 'T* __xray::Array<T>::AppendEmplace(Args&& ...) [with Args = {const __xray::profileCollectorService::{anonymous}::ThreadTrie&}; T = __xray::profileCollectorService::{anonymous}::ThreadTrie]':
/b/s/w/ir/cache/builder/src/third_party/llvm/compiler-rt/lib/xray/xray_segmented_array.h:383:71:   required from 'T* __xray::Array<T>::Append(const T&) [with T = __xray::profileCollectorService::{anonymous}::ThreadTrie]'
/b/s/w/ir/cache/builder/src/third_party/llvm/compiler-rt/lib/xray/xray_profile_collector.cc:98:34:   required from here
/b/s/w/ir/cache/builder/src/third_party/llvm/compiler-rt/lib/xray/xray_segmented_array.h:378:5: error: could not convert '{std::forward<const __xray::profileCollectorService::{anonymous}::ThreadTrie&>((* & args#0))}' from '<brace-enclosed initializer list>' to '__xray::profileCollectorService::{anonymous}::ThreadTrie'
     new (AlignedOffset) T{std::forward<Args>(args)...};
     ^
/b/s/w/ir/cache/builder/src/third_party/llvm/compiler-rt/lib/xray/xray_segmented_array.h: In instantiation of 'T* __xray::Array<T>::AppendEmplace(Args&& ...) [with Args = {const __xray::profileCollectorService::{anonymous}::ProfileBuffer&}; T = __xray::profileCollectorService::{anonymous}::ProfileBuffer]':
/b/s/w/ir/cache/builder/src/third_party/llvm/compiler-rt/lib/xray/xray_segmented_array.h:383:71:   required from 'T* __xray::Array<T>::Append(const T&) [with T = __xray::profileCollectorService::{anonymous}::ProfileBuffer]'
/b/s/w/ir/cache/builder/src/third_party/llvm/compiler-rt/lib/xray/xray_profile_collector.cc:244:44:   required from here
/b/s/w/ir/cache/builder/src/third_party/llvm/compiler-rt/lib/xray/xray_segmented_array.h:378:5: error: could not convert '{std::forward<const __xray::profileCollectorService::{anonymous}::ProfileBuffer&>((* & args#0))}' from '<brace-enclosed initializer list>' to '__xray::profileCollectorService::{anonymous}::ProfileBuffer'


None of these seems to be ASan / libFuzzer specific, though other bots (e.g. Coverage: https://ci.chromium.org/buildbot/chromium.clang/ToTLinuxCoverage/) seem to work better.

Can you file a separate bug for that and mark this one blocked on that?

I definitely can, but apparently the bot is green now, making my yesterday's effort useless :)

Want rL350251 for webrtc:10165

I gave building packages a try at https://chromium-review.googlesource.com/c/chromium/src/+/1394732

https://ci.chromium.org/p/chromium/builders/luci.chromium.try/linux_upload_clang/387 has been at it for 1.5h already; it's usually done in < 1h. It's hanging while linking lld, which I think uses LTO. I'm guessing LTO perf has regressed upstream.

Filed  issue 919083  for linking of lld timing out.

Want r350445 for issue 916828.

want r350714 for  issue 919761 

The following revision refers to this bug:
  https://chromium.googlesource.com/chromium/src.git/+/54a0c3d18cced2cfe0a32edec204de840f80d596

commit 54a0c3d18cced2cfe0a32edec204de840f80d596
Author: Nico Weber <thakis@chromium.org>
Date: Fri Jan 11 02:18:50 2019

Roll clang 349417:350768.

Ran `tools/clang/scripts/upload_revision.py 350768`.

Bug:  917419 
Change-Id: Id45d0e418634fb0c4e796626c364b3bd47c60829
Reviewed-on: https://chromium-review.googlesource.com/c/1404702
Reviewed-by: Peter Collingbourne <pcc@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#621872}
[modify] https://crrev.com/54a0c3d18cced2cfe0a32edec204de840f80d596/tools/clang/scripts/update.py

Next roll:  Issue 922384