[msan] Fix line numbers in test.

This corresponds to a fix in llvm::SplitBlockAndInsertIfThen.


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@204229 91177308-0d34-0410-b5e6-96231b3b80d8
tsan: fix copy-pasted comment



git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@204231 91177308-0d34-0410-b5e6-96231b3b80d8
tsan: use attribute instead of compiler flag for tls-model=initial-exec as asked in comments for r203111



git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@204232 91177308-0d34-0410-b5e6-96231b3b80d8
[sanitizer] when recycling deadlock graph nodes, properly recycle edges

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@204233 91177308-0d34-0410-b5e6-96231b3b80d8