[llvm-commits] [llvm] r69785 - /llvm/trunk/include/llvm/ADT/SmallVector.h

[Owen Anderson]

Author: resistor
Date: Wed Apr 22 02:16:54 2009
New Revision: 69785

URL: http://llvm.org/viewvc/llvm-project?rev=69785&view=rev
Log:
Fix for PR3946, in which SmallVector could behave strangely in corner cases.

Patch by Peter Johnson.

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

Modified: llvm/trunk/include/llvm/ADT/SmallVector.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ADT/SmallVector.h?rev=69785&r1=69784&r2=69785&view=diff

==============================================================================
--- llvm/trunk/include/llvm/ADT/SmallVector.h (original)
+++ llvm/trunk/include/llvm/ADT/SmallVector.h Wed Apr 22 02:16:54 2009
@@ -302,7 +302,7 @@
       append(End-NumToInsert, End);
 
       // Copy the existing elements that get replaced.
-      std::copy(I, OldEnd-NumToInsert, I+NumToInsert);
+      std::copy_backward(I, OldEnd-NumToInsert, OldEnd);
 
       std::fill_n(I, NumToInsert, Elt);
       return I;
@@ -351,7 +351,7 @@
       append(End-NumToInsert, End);
 
       // Copy the existing elements that get replaced.
-      std::copy(I, OldEnd-NumToInsert, I+NumToInsert);
+      std::copy_backward(I, OldEnd-NumToInsert, OldEnd);
 
       std::copy(From, To, I);
       return I;