[llvm] r277529 - PDB: Mark extended file pages as free by default.

[Rui Ueyama via llvm-commits]

Author: ruiu
Date: Tue Aug  2 16:56:37 2016
New Revision: 277529

URL: http://llvm.org/viewvc/llvm-project?rev=277529&view=rev
Log:
PDB: Mark extended file pages as free by default.

BitVector::extend initializes extended bits as true by default.
That is not desirable because new pages should be initially free.

Differential Revision: https://reviews.llvm.org/D23048

Modified:
    llvm/trunk/lib/DebugInfo/MSF/MSFBuilder.cpp

Modified: llvm/trunk/lib/DebugInfo/MSF/MSFBuilder.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/DebugInfo/MSF/MSFBuilder.cpp?rev=277529&r1=277528&r2=277529&view=diff
==============================================================================
--- llvm/trunk/lib/DebugInfo/MSF/MSFBuilder.cpp (original)
+++ llvm/trunk/lib/DebugInfo/MSF/MSFBuilder.cpp Tue Aug  2 16:56:37 2016
@@ -53,7 +53,7 @@ Error MSFBuilder::setBlockMapAddr(uint32
     if (!IsGrowable)
       return make_error<MSFError>(msf_error_code::insufficient_buffer,
                                   "Cannot grow the number of blocks");
-    FreeBlocks.resize(Addr + 1);
+    FreeBlocks.resize(Addr + 1, true);
   }
 
   if (!isBlockFree(Addr))