r.codeArguments(env, ctx, asm, where, field);        }         if (outerArg != null) {            outerArg.codeValue(env, ctx, asm);            switch (outerArg.op) {            case THIS:            case SUPER:            case NEW:                // guaranteed non-null                break;            case FIELD: {                MemberDefinition f = ((FieldExpression)outerArg).field;                if (f != null && f.isNeverNull()) {                    break;                }                // else fall through:            }            default:                // Test for nullity by invoking some trivial operation                // that can throw a NullPointerException.                try {                    ClassDefinition c = env.getClassDefinition(idJavaLangObject);                    MemberDefinition getc = c.getFirstMatch(idGetClass);                    asm.add(where, opc_dup);                    asm.add(where, opc_invokevirtual, getc);                    asm.add(where, opc_pop);                } catch (ClassNotFound e) {                }            }        }         if (implMethod != null) {            // Constructor call will be via an access method.            // Pass 'null' as the value of the dummy argument.            asm.add(where, opc_aconst_null);        }         for (int i = 0 ; i < args.length ; i++) {            args[i].codeValue(env, ctx, asm);        }        asm.add(where, opc_invokespecial,                ((implMethod != null) ? implMethod : field));    }}

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