tsan: remove unused declaration


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@204324 91177308-0d34-0410-b5e6-96231b3b80d8
tsan: use stack depot for goroutine creation stacks (as C++ threads do)



git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@204326 91177308-0d34-0410-b5e6-96231b3b80d8
tsan: deobfuscate global ctx variable



git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@204327 91177308-0d34-0410-b5e6-96231b3b80d8
tsan: remove unused function declarations


git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@204328 91177308-0d34-0410-b5e6-96231b3b80d8