From 15c3e7dab522ec3aa49b1571dcfd079c62d49d40 Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 21 Jan 2013 18:28:26 +0000
Subject: [PATCH] ReadSourceManagerBlock is skipping over records that can
 contain Blobs.  Not passing in a StringRef to bind to them forces them to be
 unpacked into the Record as individual bytes.  This is wasteful, but not
 likely to be measurable in this instance.

llvm-svn: 173066
---
 clang/lib/Serialization/ASTReader.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/clang/lib/Serialization/ASTReader.cpp b/clang/lib/Serialization/ASTReader.cpp
index db850f3f83fe..97766d0f7dfa 100644
--- a/clang/lib/Serialization/ASTReader.cpp
+++ b/clang/lib/Serialization/ASTReader.cpp
@@ -810,7 +810,8 @@ bool ASTReader::ReadSourceManagerBlock(ModuleFile &F) {
     
     // Read a record.
     Record.clear();
-    switch (SLocEntryCursor.readRecord(E.ID, Record)) {
+    StringRef Blob;
+    switch (SLocEntryCursor.readRecord(E.ID, Record, &Blob)) {
     default:  // Default behavior: ignore.
       break;