[interpreter] Make setting of function data more resilient.

src/runtime/runtime-function.cc

Index: src/runtime/runtime-function.cc
diff --git a/src/runtime/runtime-function.cc b/src/runtime/runtime-function.cc
index d424a9ebfeb262592044d6712a8498e20c7d19c7..53518d74abea597c6c4cc68355db2447371ff630 100644
--- a/src/runtime/runtime-function.cc
+++ b/src/runtime/runtime-function.cc
@@ -168,7 +168,7 @@ RUNTIME_FUNCTION(Runtime_SetCode) {
   // of the target shared function info.
   target_shared->ReplaceCode(source_shared->code());
   if (source_shared->HasBytecodeArray()) {
-    target_shared->set_function_data(source_shared->bytecode_array());
+    target_shared->set_bytecode_array(source_shared->bytecode_array());
   }
   target_shared->set_scope_info(source_shared->scope_info());
   target_shared->set_length(source_shared->length());