[Turbofan] Disable JSFrameSpecialization for interpreted frames.

src/compiler/js-frame-specialization.cc

Index: src/compiler/js-frame-specialization.cc
diff --git a/src/compiler/js-frame-specialization.cc b/src/compiler/js-frame-specialization.cc
index 55ec1bf41d255509bda30e481352396ffd10a164..73e1b7dd24c94de3144895b095051f6d355303eb 100644
--- a/src/compiler/js-frame-specialization.cc
+++ b/src/compiler/js-frame-specialization.cc
@@ -27,6 +27,9 @@ Reduction JSFrameSpecialization::Reduce(Node* node) {
 }
 
 Reduction JSFrameSpecialization::ReduceOsrValue(Node* node) {
+  // JSFrameSpecialization should never run on interpreted frames, since the
+  // code below assumes standard stack frame layouts.
+  DCHECK(!frame()->is_interpreted());
   DCHECK_EQ(IrOpcode::kOsrValue, node->opcode());
   Handle<Object> value;
   int index = OsrValueIndexOf(node->op());