From a2eb4099b6c9ac3272a8c3770b40d9de5fc3dc46 Mon Sep 17 00:00:00 2001
From: Richard Smith <richard-llvm@metafoo.co.uk>
Date: Mon, 22 Jun 2015 18:47:01 +0000
Subject: [PATCH] [modules] Include merged definition information in AST dumps.

llvm-svn: 240313
---
 clang/lib/AST/ASTDumper.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/clang/lib/AST/ASTDumper.cpp b/clang/lib/AST/ASTDumper.cpp
index 6b4a078..4da6240 100644
--- a/clang/lib/AST/ASTDumper.cpp
+++ b/clang/lib/AST/ASTDumper.cpp
@@ -981,6 +981,10 @@ void ASTDumper::dumpDecl(const Decl *D) {
       OS << " in " << M->getFullModuleName();
     else if (Module *M = D->getLocalOwningModule())
       OS << " in (local) " << M->getFullModuleName();
+    if (auto *ND = dyn_cast<NamedDecl>(D))
+      for (Module *M : D->getASTContext().getModulesWithMergedDefinition(
+               const_cast<NamedDecl *>(ND)))
+        dumpChild([=] { OS << "also in " << M->getFullModuleName(); });
     if (const NamedDecl *ND = dyn_cast<NamedDecl>(D))
       if (ND->isHidden())
         OS << " hidden";
-- 
2.7.4