Merged r16772, r18000, r18298, r18319 into 3.21 branch.

src/arm/deoptimizer-arm.cc

Index: src/arm/deoptimizer-arm.cc
diff --git a/src/arm/deoptimizer-arm.cc b/src/arm/deoptimizer-arm.cc
index 3c57b6439568cdbde329a15e17cc78446c5e826b..8f1ec3522b6474593d1753752aaa14662806d71f 100644
--- a/src/arm/deoptimizer-arm.cc
+++ b/src/arm/deoptimizer-arm.cc
@@ -224,6 +224,11 @@ bool Deoptimizer::HasAlignmentPadding(JSFunction* function) {
 }
 
 
+Code* Deoptimizer::NotifyStubFailureBuiltin() {
+  return isolate_->builtins()->builtin(Builtins::kNotifyStubFailureSaveDoubles);
+}
+
+
 #define __ masm()->
 
 // This code tries to be close to ia32 code so that any changes can be