runConcurrentlyMutatedTest(elements(), ops(add(1), nop()), wrap);

    runConcurrentlyMutatedTest(elements(), ops(add(1), remove()), wrap);

    runConcurrentlyMutatedTest(elements(), ops(nop(), add(1)), wrap);

    runConcurrentlyMutatedTest(elements(1), ops(remove(), nop()), wrap);

    runConcurrentlyMutatedTest(elements(1), ops(remove(), add(2)), wrap);

	//	}
	NOP	F2

	//	LNOP ',' rreg // asm doesn't support the leading comma.
	//	{
	//		outcode(int($1), &nullgen, 0, &$3);
	//	}
	NOP	R2

	//	LNOP ',' freg // asm doesn't support the leading comma.
	//	{
	//		outcode(int($1), &nullgen, 0, &$3);
	//	}
	NOP	F2

	//	LNOP imm
	//	{
	//		outcode(int($1), &$2, 0, &nullgen);
	//	}
	NOP	$4

	//
	// special

	CALL	4(SP)
	CALL	(AX)
	CALL	(SP)
//	CALL	(AX*4) // TODO: This line is silently dropped on the floor!
	JCS	2(PC)
	JMP	(AX)(AX*4)

// LTYPEN spec4	{ outcode(int($1), &$2); }
	NOP
	NOP	AX
	NOP	foo+4(SB)

// LTYPES spec5	{ outcode(int($1), &$2); }
	SHLL	$4, BX
	SHLL	$4, foo+4(SB)
	SHLL	$4, foo+4(SB):AX // SHLL $4, AX, foo+4(SB)

// LTYPEM spec6	{ outcode(int($1), &$2); }
	MOVL	AX, BX

	JCS	2(PC)
	JMP	(SP)
	JCS	2(PC)
//	JMP	(AX*4) // TODO: This line is silently dropped on the floor!
	JCS	2(PC)
	JMP	(AX)(AX*4)
	JCS	2(PC)
	JMP	R13

// LTYPEN spec4	{ outcode($1, &$2); }
	NOP
	NOP	AX
	NOP	foo+4(SB)

// LTYPES spec5	{ outcode($1, &$2); }
	SHLL	CX, R12
	SHLL	CX, foo+4(SB)
	// Old syntax, still accepted:
	SHLL	CX, R11:AX // SHLL CX, AX, R11

// LTYPEM spec6	{ outcode($1, &$2); }

                        try {
                            buf.append(URLEncoder.encode(String.valueOf(c), Constants.UTF_8));
                        } catch (final UnsupportedEncodingException e) {
                            // NOP
                        }
                    }
                }
                hash = buf.toString();
            } else {
                hash = StringUtil.EMPTY;
            }
        } else {