avm2: Fix crash when `Coerce`/`AsType` used a lazy multiname

core/src/avm2/verify.rs

@@ -490,6 +490,15 @@ fn verify_code_starting_from<'gc>(
                         .pool_maybe_uninitialized_multiname(*name_index, &mut activation.context)
                         .unwrap();
 
+                    if multiname.has_lazy_component() {
+                        // This matches FP's error message
+                        return Err(Error::AvmError(verify_error(
+                            activation,
+                            "Error #1014: Class [] could not be found.",
+                            1014,
+                        )?));
+                    }
+
                     activation
                         .domain()
                         .get_class(&multiname, activation.context.gc_context)