[llvm-commits] [llvm] r98653 - /llvm/trunk/include/llvm/ADT/BitVector.h

[Chris Lattner]

Author: lattner
Date: Tue Mar 16 14:07:05 2010
New Revision: 98653

URL: http://llvm.org/viewvc/llvm-project?rev=98653&view=rev
Log:
work around an MSVC2010 bug, PR6504

Modified:
    llvm/trunk/include/llvm/ADT/BitVector.h

Modified: llvm/trunk/include/llvm/ADT/BitVector.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ADT/BitVector.h?rev=98653&r1=98652&r2=98653&view=diff
==============================================================================
--- llvm/trunk/include/llvm/ADT/BitVector.h (original)
+++ llvm/trunk/include/llvm/ADT/BitVector.h Tue Mar 16 14:07:05 2010
@@ -329,7 +329,8 @@
     Size = RHS.size();
     unsigned RHSWords = NumBitWords(Size);
     if (Size <= Capacity * BITWORD_SIZE) {
-      std::copy(RHS.Bits, &RHS.Bits[RHSWords], Bits);
+      if (Size)
+        std::copy(RHS.Bits, &RHS.Bits[RHSWords], Bits);
       clear_unused_bits();
       return *this;
     }