diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index 468c7f4..be78306 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -9860,7 +9860,7 @@
     return !D->getDeclContext()->isDependentContext();
   else if (isa<OMPAllocateDecl>(D))
     return !D->getDeclContext()->isDependentContext();
-  else if (isa<OMPDeclareReductionDecl>(D))
+  else if (isa<OMPDeclareReductionDecl>(D) || isa<OMPDeclareMapperDecl>(D))
     return !D->getDeclContext()->isDependentContext();
   else if (isa<ImportDecl>(D))
     return true;