[OPENMP 5.0]Add initial support for 'allocate' directive.

Added parsing/sema analysis/serialization/deserialization support for
'allocate' directive.

llvm-svn: 355614
diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index 41efa95..dee12a5 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -9798,12 +9798,12 @@
       return false;
   } else if (isa<PragmaCommentDecl>(D))
     return true;
-  else if (isa<OMPThreadPrivateDecl>(D))
-    return true;
   else if (isa<PragmaDetectMismatchDecl>(D))
     return true;
   else if (isa<OMPThreadPrivateDecl>(D))
     return !D->getDeclContext()->isDependentContext();
+  else if (isa<OMPAllocateDecl>(D))
+    return !D->getDeclContext()->isDependentContext();
   else if (isa<OMPDeclareReductionDecl>(D))
     return !D->getDeclContext()->isDependentContext();
   else if (isa<ImportDecl>(D))