[llvm-dev] LLVM build failures of Sanitized builds

[Roman Lebedev via llvm-dev]

Hi.

Failure 1:
Current clang-6.0 from http://apt.llvm.org/, current sources.

$ CC=clang-6.0 CXX=clang++-6.0 cmake
-DLLVM_ENABLE_PROJECTS="clang;libcxx;libcxxabi;compiler-rt;lld;polly;openmp"
-DLLVM_USE_SANITIZER="Address;Undefined" -DCMAKE_BUILD_TYPE=Release
-GNinja ../llvm
$ ninja
[200/3921] Building Attributes.gen...
FAILED: include/llvm/IR/Attributes.gen.tmp
cd /build/build-test && /build/build-test/bin/llvm-tblgen -gen-attrs
-I /build/llvm/include/llvm/IR -I /build/llvm/include
/build/llvm/include/llvm/IR/Attributes.td -o
include/llvm/IR/Attributes.gen.tmp -d include/llvm/IR/Attributes.gen.d
==1216==AddressSanitizer CHECK failed:
/build/llvm-toolchain-snapshot-6.0~svn309928/projects/compiler-rt/lib/asan/asan_posix.cc:102
"((tsd_key_inited)) != (0)" (0x0, 0x0)
    <empty stack>

Aborted
[201/3921] Building Intrinsics.gen...
FAILED: include/llvm/IR/Intrinsics.gen.tmp
cd /build/build-test && /build/build-test/bin/llvm-tblgen
-gen-intrinsic -I /build/llvm/include/llvm/IR -I /build/llvm/include
/build/llvm/include/llvm/IR/Intrinsics.td -o
include/llvm/IR/Intrinsics.gen.tmp -d include/llvm/IR/Intrinsics.gen.d
==1217==AddressSanitizer CHECK failed:
/build/llvm-toolchain-snapshot-6.0~svn309928/projects/compiler-rt/lib/asan/asan_posix.cc:102
"((tsd_key_inited)) != (0)" (0x0, 0x0)
    <empty stack>

Aborted
[209/3921] Building CXX object lib/MC/CMakeFiles/LLVMMC.dir/MCStreamer.cpp.o
ninja: build stopped: subcommand failed.
$ clang-6.0 --version
clang version 6.0.0-svn309928-1~exp1 (trunk)
...


Failure 2, stage2 build is broken: (may have been fixed, did not re-check)
https://bugs.llvm.org/show_bug.cgi?id=33632


What am i doing wrong? Is there really no buildbots to catch these
sanitized build failures?

Roman.