https://build.chromium.org/p/chromium.chrome/builders/Google%20Chrome%20Linux%20x64/builds/14743

compile failure on chromium.chrome/Google Chrome Linux x64

Type: build-failure

Builders failed on: 
- Google Chrome Linux x64: 
  https://build.chromium.org/p/chromium.chrome/builders/Google%20Chrome%20Linux%20x64

[10643/28434] LINK ./mkpeephole
FAILED: mkpeephole 
../../third_party/llvm-build/Release+Asserts/bin/clang++ -pie -Wl,--fatal-warnings -fPIC -Wl,-z,noexecstack -Wl,-z,now -Wl,-z,relro -Wl,-z,defs -Wl,--no-as-needed -lpthread -Wl,--as-needed -fuse-ld=gold -B../../third_party/binutils/Linux_x64/Release/bin -Wl,--threads -Wl,--thread-count=4 -Wl,--icf=all -flto -fwhole-program-vtables -Wl,-plugin-opt,O1 -Wl,-plugin-opt,-function-sections -pthread -m64 --sysroot=../../build/linux/debian_wheezy_amd64-sysroot -L/b/c/b/Google_Chrome_Linux_x64/src/build/linux/debian_wheezy_amd64-sysroot/lib/x86_64-linux-gnu -Wl,-rpath-link=/b/c/b/Google_Chrome_Linux_x64/src/build/linux/debian_wheezy_amd64-sysroot/lib/x86_64-linux-gnu -L/b/c/b/Google_Chrome_Linux_x64/src/build/linux/debian_wheezy_amd64-sysroot/usr/lib/x86_64-linux-gnu -Wl,-rpath-link=/b/c/b/Google_Chrome_Linux_x64/src/build/linux/debian_wheezy_amd64-sysroot/usr/lib/x86_64-linux-gnu -L/b/c/b/Google_Chrome_Linux_x64/src/build/linux/debian_wheezy_amd64-sysroot/usr/lib/gcc/x86_64-linux-gnu/4.6 -Wl,-rpath-link=/b/c/b/Google_Chrome_Linux_x64/src/build/linux/debian_wheezy_amd64-sysroot/usr/lib/gcc/x86_64-linux-gnu/4.6 -L/b/c/b/Google_Chrome_Linux_x64/src/build/linux/debian_wheezy_amd64-sysroot/usr/lib -Wl,-rpath-link=/b/c/b/Google_Chrome_Linux_x64/src/build/linux/debian_wheezy_amd64-sysroot/usr/lib -fsanitize=cfi-vcall -Wl,-rpath-link=. -Wl,--disable-new-dtags -Wl,-O1 -Wl,--gc-sections -o "./mkpeephole" -Wl,--start-group @"./mkpeephole.rsp"  -Wl,--end-group  -ldl -lrt 
clang: error: unable to execute command: Segmentation fault
clang: error: linker command failed due to signal (use -v to see invocation)

This has only occurred once (and closed the tree). I suspect this is just a random occurrence but may be worth looking into.