patch 9.0.1041: cannot define a method in a class
Problem: Cannot define a method in a class.
Solution: Implement defining an object method. Make calling an object
method work.
diff --git a/src/vim9.h b/src/vim9.h
index 96ab40e..91ff6ca 100644
--- a/src/vim9.h
+++ b/src/vim9.h
@@ -33,6 +33,7 @@
ISN_SOURCE, // source autoload script, isn_arg.number is the script ID
ISN_INSTR, // instructions compiled from expression
ISN_CONSTRUCT, // construct an object, using contstruct_T
+ ISN_OBJ_MEMBER, // object member, index is isn_arg.number
// get and set variables
ISN_LOAD, // push local variable isn_arg.number