Add handling cases when filter(tid) appears with deafult(none)

[mdfazlay]

Summary

This patch fixes 'Unexpected clause' assert when filter(tid) appears with default(none) clause.

[ABataev]

LG

clang/lib/Sema/SemaOpenMP.cpp

for (OMPClause *C : Clauses) {
       case OMPC_nontemporal:
       case OMPC_order:
       case OMPC_destroy:
       case OMPC_inclusive:
       case OMPC_exclusive:
       case OMPC_uses_allocators:
       case OMPC_affinity:
       case OMPC_bind:
+      case OMPC_filter:
         continue;
       case OMPC_allocator:
       case OMPC_flush:
       case OMPC_depobj:
       case OMPC_threadprivate:
       case OMPC_uniform:
       case OMPC_unknown:
       case OMPC_unified_address:

clang/test/OpenMP/parallel_masked_ast_print.cpp

 // CHECK-NEXT: #pragma omp parallel masked if(1) num_threads(s) proc_bind(close) reduction(^: e,f,arr[0:1][:argc]) reduction(task, &&: g)
 // CHECK-NEXT: foo()
 
 enum Enum { };
 
 int main (int argc, char **argv) {
   long x;
   int b = argc, c, d, e, f, g;
+  int tid = 0;
   static int a;
   #pragma omp threadprivate(a)
   int arr[10][argc], arr1[2];
   Enum ee;
 // CHECK: Enum ee;
 #pragma omp parallel masked
 // CHECK-NEXT: #pragma omp parallel masked
   a=2;
 // CHECK-NEXT: a = 2;
-#pragma omp parallel masked default(none), private(argc,b) firstprivate(argv) if (parallel: argc > 0) num_threads(ee) copyin(a) proc_bind(spread) reduction(| : c, d, arr1[argc]) reduction(* : e, arr[:10][0:argc]) allocate(e)
-// CHECK-NEXT: #pragma omp parallel masked default(none) private(argc,b) firstprivate(argv) if(parallel: argc > 0) num_threads(ee) copyin(a) proc_bind(spread) reduction(|: c,d,arr1[argc]) reduction(*: e,arr[:10][0:argc]) allocate(e)
+#pragma omp parallel masked default(none), private(argc,b) firstprivate(argv) if (parallel: argc > 0) num_threads(ee) copyin(a) proc_bind(spread) reduction(| : c, d, arr1[argc]) reduction(* : e, arr[:10][0:argc]) allocate(e) filter(tid)
+// CHECK-NEXT: #pragma omp parallel masked default(none) private(argc,b) firstprivate(argv) if(parallel: argc > 0) num_threads(ee) copyin(a) proc_bind(spread) reduction(|: c,d,arr1[argc]) reduction(*: e,arr[:10][0:argc]) allocate(e) filter(tid)
   foo();
 // CHECK-NEXT: foo();
 // CHECK-NEXT: #pragma omp parallel masked allocate(e) if(b) num_threads(c) proc_bind(close) reduction(^: e,f) reduction(&&: g,arr[0:argc][:10])
 // CHECK-NEXT: foo()
 #pragma omp parallel masked allocate(e) if (b) num_threads(c) proc_bind(close) reduction(^:e, f) reduction(&& : g, arr[0:argc][:10])
   foo();
   return tmain<int, 5>(b, &b) + tmain<long, 1>(x, &x);
 }
 
 template<typename T>
 T S<T>::TS = 0;
 
 #endif