VM: Don't depend on unoptimized code when inlining and creating deoptimization info.

runtime/vm/intermediate_language.h

Index: runtime/vm/intermediate_language.h
diff --git a/runtime/vm/intermediate_language.h b/runtime/vm/intermediate_language.h
index a6215c0b8afa018cd24cc5f40167aed0cd0ab0f0..60f2db93e046a0e573d2f0424d8418bb7f322ea3 100644
--- a/runtime/vm/intermediate_language.h
+++ b/runtime/vm/intermediate_language.h
@@ -8015,7 +8015,7 @@ class Environment : public ZoneAllocated {
     return count;
   }
 
-  const Code& code() const { return parsed_function_.code(); }
+  const Function& function() const { return parsed_function_.function(); }
 
   Environment* DeepCopy(Zone* zone) const {
     return DeepCopy(zone, Length());