[llvm] r258423 - Fix buildbot failure due to r258420

[Rong Xu via llvm-commits]

Author: xur
Date: Thu Jan 21 13:06:24 2016
New Revision: 258423

URL: http://llvm.org/viewvc/llvm-project?rev=258423&view=rev
Log:
Fix buildbot failure due to r258420

Include the needed headfile to fix the buildbot failure due to r258420 [PGO] Passmanagerbuilder change that enable IR level PGO instrumentation.

Modified:
    llvm/trunk/include/llvm/Transforms/IPO/PassManagerBuilder.h

Modified: llvm/trunk/include/llvm/Transforms/IPO/PassManagerBuilder.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/Transforms/IPO/PassManagerBuilder.h?rev=258423&r1=258422&r2=258423&view=diff
==============================================================================
--- llvm/trunk/include/llvm/Transforms/IPO/PassManagerBuilder.h (original)
+++ llvm/trunk/include/llvm/Transforms/IPO/PassManagerBuilder.h Thu Jan 21 13:06:24 2016
@@ -16,6 +16,7 @@
 #define LLVM_TRANSFORMS_IPO_PASSMANAGERBUILDER_H
 
 #include <memory>
+#include <string>
 #include <vector>
 
 namespace llvm {