[OPENMP]Use different addresses for zeroed thread_id/bound_id.

When the parallel region is called directly in the sequential region,
the zeroed tid/bound id are used. But they must point to the different
memory locations as the parameters are marked as noalias.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@375017 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed