Fix for crash in task dependencies
Fix for crash in task dependencies

With single thread using __kmpc_omp_wait_deps segfaults in OpenMP runtime.
Offloading with depend also encounters this problem when we generate
kmpc_omp_wait_deps instead of kmpc_omp_task_with_deps.

Patch by Alex Duran

Differential Revision: http://reviews.llvm.org/D21384


git-svn-id: f99161ee8ccfe2101cbe1bdda2220bce2ed25485@272949 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/openmp,llvm-mirror/openmp,llvm-mirror/openmp,llvm-mirror/openmp,llvm-mirror/openmp