[tsan] make the 64-bit allocator build (but not work) in 32-bit mode to simplify the code and test structure and allow further refactoring
[tsan] make the 64-bit allocator build (but not work) in 32-bit mode to simplify the code and test structure and allow further refactoring

git-svn-id: c199f293c43da69278bea8e88f92242bf3aa95f7@169361 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