r187647 - Assume UniqueID is zero for invalid PPRegion to fix uninitialized reads reported by MSan

[Alexey Samsonov]

Author: samsonov
Date: Fri Aug  2 04:06:39 2013
New Revision: 187647

URL: http://llvm.org/viewvc/llvm-project?rev=187647&view=rev
Log:
Assume UniqueID is zero for invalid PPRegion to fix uninitialized reads reported by MSan

Modified:
    cfe/trunk/tools/libclang/Indexing.cpp

Modified: cfe/trunk/tools/libclang/Indexing.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/tools/libclang/Indexing.cpp?rev=187647&r1=187646&r2=187647&view=diff
==============================================================================
--- cfe/trunk/tools/libclang/Indexing.cpp (original)
+++ cfe/trunk/tools/libclang/Indexing.cpp Fri Aug  2 04:06:39 2013
@@ -92,7 +92,7 @@ class PPRegion {
   time_t ModTime;
   unsigned Offset;
 public:
-  PPRegion() : ModTime(), Offset() {}
+  PPRegion() : UniqueID(0, 0), ModTime(), Offset() {}
   PPRegion(llvm::sys::fs::UniqueID UniqueID, unsigned offset, time_t modTime)
       : UniqueID(UniqueID), ModTime(modTime), Offset(offset) {}