[tsan] Allow memmove interceptor to be used when TSan is not initialized
[tsan] Allow memmove interceptor to be used when TSan is not initialized

A call to memmove is used early during new thread initialization on OS X. This patch uses the `COMMON_INTERCEPTOR_NOTHING_IS_INITIALIZED` check, similarly to how we deal with other early-used interceptors.

Differential Revision: http://reviews.llvm.org/D14377



git-svn-id: c199f293c43da69278bea8e88f92242bf3aa95f7@252161 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