Re-commit optimization bisect support (r267022) without new pass manager support.

The original commit was reverted because of a buildbot problem with LazyCallGraph::SCC handling (not related to the OptBisect handling).

Differential Revision: http://reviews.llvm.org/D19172

llvm-svn: 267231
diff --git a/llvm/lib/Transforms/Scalar/SROA.cpp b/llvm/lib/Transforms/Scalar/SROA.cpp
index 3c42b79..b655c74 100644
--- a/llvm/lib/Transforms/Scalar/SROA.cpp
+++ b/llvm/lib/Transforms/Scalar/SROA.cpp
@@ -4246,7 +4246,7 @@
     initializeSROALegacyPassPass(*PassRegistry::getPassRegistry());
   }
   bool runOnFunction(Function &F) override {
-    if (skipOptnoneFunction(F))
+    if (skipFunction(F))
       return false;
 
     auto PA = Impl.runImpl(