Add support for unified_shared_memory clause on requires directive

llvm-svn: 343472
diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp
index f8d98ee..cb4f491 100644
--- a/clang/lib/Serialization/ASTReader.cpp
+++ b/clang/lib/Serialization/ASTReader.cpp
@@ -11723,6 +11723,9 @@
   case OMPC_unified_address:
     C = new (Context) OMPUnifiedAddressClause();
     break;
+  case OMPC_unified_shared_memory:
+    C = new (Context) OMPUnifiedSharedMemoryClause();
+    break;
   case OMPC_private:
     C = OMPPrivateClause::CreateEmpty(Context, Record.readInt());
     break;
@@ -11953,6 +11956,9 @@
 
 void OMPClauseReader::VisitOMPUnifiedAddressClause(OMPUnifiedAddressClause *) {}
 
+void OMPClauseReader::VisitOMPUnifiedSharedMemoryClause(
+    OMPUnifiedSharedMemoryClause *) {}
+
 void OMPClauseReader::VisitOMPPrivateClause(OMPPrivateClause *C) {
   C->setLParenLoc(Record.readSourceLocation());
   unsigned NumVars = C->varlist_size();
diff --git a/clang/lib/Serialization/ASTWriter.cpp b/clang/lib/Serialization/ASTWriter.cpp
index 570a1e1..08cfa6b 100644
--- a/clang/lib/Serialization/ASTWriter.cpp
+++ b/clang/lib/Serialization/ASTWriter.cpp
@@ -6932,3 +6932,6 @@
 }
 
 void OMPClauseWriter::VisitOMPUnifiedAddressClause(OMPUnifiedAddressClause *) {}
+
+void OMPClauseWriter::VisitOMPUnifiedSharedMemoryClause(
+    OMPUnifiedSharedMemoryClause *) {}