Add support for 'atomic_default_mem_order' clause on 'requires' directive. Also renamed test files relating to 'requires'. Differntial review: https://reviews.llvm.org/D53513

llvm-svn: 345967
diff --git a/clang/lib/AST/StmtProfile.cpp b/clang/lib/AST/StmtProfile.cpp
index 987ee43..ec4dac0 100644
--- a/clang/lib/AST/StmtProfile.cpp
+++ b/clang/lib/AST/StmtProfile.cpp
@@ -479,6 +479,9 @@
 void OMPClauseProfiler::VisitOMPDynamicAllocatorsClause(
     const OMPDynamicAllocatorsClause *C) {}
 
+void OMPClauseProfiler::VisitOMPAtomicDefaultMemOrderClause(
+    const OMPAtomicDefaultMemOrderClause *C) {}
+
 void OMPClauseProfiler::VisitOMPScheduleClause(const OMPScheduleClause *C) {
   VistOMPClauseWithPreInit(C);
   if (auto *S = C->getChunkSize())