1 files changed, 4 insertions, 2 deletions
diff --git a/clang/lib/AST/MicrosoftMangle.cpp b/clang/lib/AST/MicrosoftMangle.cpp
index 930cf00d9e3..65b7905f962 100644
--- a/clang/lib/AST/MicrosoftMangle.cpp
+++ b/clang/lib/AST/MicrosoftMangle.cpp
@@ -19,6 +19,7 @@
 #include "clang/AST/Decl.h"
 #include "clang/AST/DeclCXX.h"
 #include "clang/AST/DeclObjC.h"
+#include "clang/AST/DeclOpenMP.h"
 #include "clang/AST/DeclTemplate.h"
 #include "clang/AST/Expr.h"
 #include "clang/AST/ExprCXX.h"
@@ -58,8 +59,9 @@ static const DeclContext *getEffectiveDeclContext(const Decl *D) {
   }
 
   const DeclContext *DC = D->getDeclContext();
-  if (const CapturedDecl *CD = dyn_cast<CapturedDecl>(DC))
-    return getEffectiveDeclContext(CD);
+  if (isa<CapturedDecl>(DC) || isa<OMPDeclareReductionDecl>(DC)) {
+    return getEffectiveDeclContext(cast<Decl>(DC));
+  }
 
   return DC;
 }