Export the nothrow overload of operator new
Export the nothrow overload of operator new

This missing export was causing allocator_returns_null.cc to fail on
Windows with a dynamic ASan runtime.

git-svn-id: c199f293c43da69278bea8e88f92242bf3aa95f7@306707 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