1 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/CodeGen/CGDebugInfo.h b/clang/lib/CodeGen/CGDebugInfo.h
index a692babef53..9f5e639d98e 100644
--- a/clang/lib/CodeGen/CGDebugInfo.h
+++ b/clang/lib/CodeGen/CGDebugInfo.h
@@ -98,6 +98,10 @@ class CGDebugInfo {
   /// Cache of previously constructed interfaces which may change.
   llvm::SmallVector<ObjCInterfaceCacheEntry, 32> ObjCInterfaceCache;
 
+  /// Cache of forward declarations for methods belonging to the interface.
+  llvm::DenseMap<const ObjCInterfaceDecl *, std::vector<llvm::DISubprogram *>>
+      ObjCMethodCache;
+
   /// Cache of references to clang modules and precompiled headers.
   llvm::DenseMap<const Module *, llvm::TrackingMDRef> ModuleCache;