Merge bleeding edge up to 9192 into the GC branch.

src/runtime-profiler.cc

Index: src/runtime-profiler.cc
diff --git a/src/runtime-profiler.cc b/src/runtime-profiler.cc
index cc11b9ae6a2f8cae2c1db1ab3768076c35b2cfcf..7454ff40145ad07a691acc6c7ee4a984b37acc58 100644
--- a/src/runtime-profiler.cc
+++ b/src/runtime-profiler.cc
@@ -115,10 +115,8 @@ void RuntimeProfiler::AttemptOnStackReplacement(JSFunction* function) {
   }
 
   SharedFunctionInfo* shared = function->shared();
-  // If the code is not optimizable or references context slots, don't try OSR.
-  if (!shared->code()->optimizable() || !shared->allows_lazy_compilation()) {
-    return;
-  }
+  // If the code is not optimizable, don't try OSR.
+  if (!shared->code()->optimizable()) return;
 
   // We are not prepared to do OSR for a function that already has an
   // allocated arguments object.  The optimized code would bypass it for