shrink SOURCE_LOCATION_OFFSETS to use 4-byte entries instead of 8-byte
entries, shaving 100K off the PCH file for cocoa.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@70228 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/PCHReader.cpp b/lib/Frontend/PCHReader.cpp
index f87252a..1b26b72 100644
--- a/lib/Frontend/PCHReader.cpp
+++ b/lib/Frontend/PCHReader.cpp
@@ -1017,7 +1017,7 @@
       break;
 
     case pch::SOURCE_LOCATION_OFFSETS:
-      SLocOffsets = (const uint64_t *)BlobStart;
+      SLocOffsets = (const uint32_t *)BlobStart;
       TotalNumSLocEntries = Record[0];
       PP.getSourceManager().PreallocateSLocEntries(this, 
                                                    TotalNumSLocEntries,