[llvm] r187331 - Partial revert of 187310; it seems MSVC 10 still spits out this warning, but MSVC 11 does not.

[Aaron Ballman]

Author: aaronballman
Date: Sun Jul 28 13:04:26 2013
New Revision: 187331

URL: http://llvm.org/viewvc/llvm-project?rev=187331&view=rev
Log:
Partial revert of 187310; it seems MSVC 10 still spits out this warning, but MSVC 11 does not.

Modified:
    llvm/trunk/cmake/modules/HandleLLVMOptions.cmake

Modified: llvm/trunk/cmake/modules/HandleLLVMOptions.cmake
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/cmake/modules/HandleLLVMOptions.cmake?rev=187331&r1=187330&r2=187331&view=diff
==============================================================================
--- llvm/trunk/cmake/modules/HandleLLVMOptions.cmake (original)
+++ llvm/trunk/cmake/modules/HandleLLVMOptions.cmake Sun Jul 28 13:04:26 2013
@@ -176,7 +176,8 @@ if( MSVC )
     -wd4503 # Suppress ''identifier' : decorated name length exceeded, name was truncated'
     -wd4624 # Suppress ''derived class' : destructor could not be generated because a base class destructor is inaccessible'
     -wd4800 # Suppress ''type' : forcing value to bool 'true' or 'false' (performance warning)'
-
+    -wd4275 # Suppress 'An exported class was derived from a class that was not exported.'
+    
     # Promoted warnings.
     -w14062 # Promote 'enumerator in switch of enum is not handled' to level 1 warning.