[sanitizer] Intercept initgroups.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@193158 91177308-0d34-0410-b5e6-96231b3b80d8
[msan] Drain allocator cache when leaving thread.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@193163 91177308-0d34-0410-b5e6-96231b3b80d8
Make sure ASan always emits an error summary if it reports an error.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@193229 91177308-0d34-0410-b5e6-96231b3b80d8
Hoist the addition of the prefix "SUMMARY: " from
__sanitizer_report_error_summary to ReportErrorSummary.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@193231 91177308-0d34-0410-b5e6-96231b3b80d8
Continue to keep 'SUMMARY: ' prefix in lsan. Whoops!


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@193232 91177308-0d34-0410-b5e6-96231b3b80d8
tsan: fix linux syscall hooks
the file references non-existent arguments and breaks build



git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@193234 91177308-0d34-0410-b5e6-96231b3b80d8
tsan: parse symbolize/external_symbolizer_path common flags



git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@193236 91177308-0d34-0410-b5e6-96231b3b80d8