From c0ff7448d758fae2168bb0d09a5893d6a7aeb5ed Mon Sep 17 00:00:00 2001
From: Rafael Espindola <rafael.espindola@gmail.com>
Date: Mon, 9 Dec 2013 14:59:08 +0000
Subject: When we decide to output a deferred decl, remember the llvm
 GlobalValue.

We can reuse it to avoid a DenseMap+StringMap lookup to find if it was already
emitted or not.

This fixes a 2010 TODO.

llvm-svn: 196785
---
 clang/lib/CodeGen/ModuleBuilder.cpp | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'clang/lib/CodeGen/ModuleBuilder.cpp')

diff --git a/clang/lib/CodeGen/ModuleBuilder.cpp b/clang/lib/CodeGen/ModuleBuilder.cpp
index bc7acbc39ca..6b81ce7fb09 100644
--- a/clang/lib/CodeGen/ModuleBuilder.cpp
+++ b/clang/lib/CodeGen/ModuleBuilder.cpp
@@ -117,6 +117,8 @@ namespace {
 
     virtual void HandleTranslationUnit(ASTContext &Ctx) {
       if (Diags.hasErrorOccurred()) {
+        if (Builder)
+          Builder->clear();
         M.reset();
         return;
       }
-- 
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