[interpreter] Correctly thread through catch prediction.

src/interpreter/control-flow-builders.h

Index: src/interpreter/control-flow-builders.h
diff --git a/src/interpreter/control-flow-builders.h b/src/interpreter/control-flow-builders.h
index d273c2509d5cdf35c4f65c6f1e112e03832b41bb..e4d376b9b21e90bdd1121589bcc28d6cc8de4924 100644
--- a/src/interpreter/control-flow-builders.h
+++ b/src/interpreter/control-flow-builders.h
@@ -165,10 +165,11 @@ class TryCatchBuilder final : public ControlFlowBuilder {
 // A class to help with co-ordinating control flow in try-finally statements.
 class TryFinallyBuilder final : public ControlFlowBuilder {
  public:
-  explicit TryFinallyBuilder(BytecodeArrayBuilder* builder)
+  explicit TryFinallyBuilder(BytecodeArrayBuilder* builder, bool will_catch)
       : ControlFlowBuilder(builder),
         handler_id_(builder->NewHandlerEntry()),
-        finalization_sites_(builder->zone()) {}
+        finalization_sites_(builder->zone()),
+        will_catch_(will_catch) {}
 
   void BeginTry(Register context);
   void LeaveTry();
@@ -183,6 +184,11 @@ class TryFinallyBuilder final : public ControlFlowBuilder {
 
   // Unbound labels that identify jumps to the finally block in the code.
   ZoneVector<BytecodeLabel> finalization_sites_;
+
+  // Conservative prediction of whether exceptions thrown into the handler for
+  // this finally block will be caught. Note that such a prediction depends on
+  // whether this try-finally is nested inside a surrounding try-catch.
+  bool will_catch_;
 };
 
 }  // namespace interpreter