tsan: lazily initialize deadlock detector runtime this is necessaary because dlsym can call malloc, which can lock mutexes that we intercept
tsan: lazily initialize deadlock detector runtime
this is necessaary because dlsym can call malloc, which can lock mutexes that we intercept



git-svn-id: c199f293c43da69278bea8e88f92242bf3aa95f7@204141 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt,llvm-mirror/compiler-rt