Edinburgh IMP77 Compiler - Version 8.4
    1 %begin
		.Ltext0:
				.section	.rodata.str1.8,"aMS",@progbits,1
				.align 8
		.LC0:
				.string	"switch jump to undefined label LAB(%d): at %s line %d"
				.section	.rodata.str1.1,"aMS",@progbits,1
		.LC1:
				.string	"test-new/58.imp"
				.globl	main
		main:
		.LFB185:
		.LVL0:
				pushq	%rbx
				subq	$528, %rsp
				movq	%fs:40, %rax
				movq	%rax, 520(%rsp)
				xorl	%eax, %eax
		.L2:
		.L3:
		.L4:
    2   %integer i
				call	_imp_initialise@PLT
		.LVL1:
		.LDL1:
		.L5:
    3   %switch lab('a':'d')
    4   i = 'b'
    5   ->lab(i)
    6 lab('a'):
    7 lab('c'):
    8 lab('d'): %stop
    9 %endofprogram
    7 Statements compiled
				movl	_imp_current_line(%rip), %ebx
				testl	%ebx, %ebx
				movl	$14, %eax
				cmove	%eax, %ebx
				movq	_imp_current_file(%rip), %rsi
				testq	%rsi, %rsi
				jne	.L12
		.LVL2:
		.LBB6:
				movabsq	$8603403804667503988, %rax
				movabsq	$31645495906022703, %rdx
				movq	%rax, 257(%rsp)
				movq	%rdx, 265(%rsp)
				leaq	273(%rsp), %rdi
				movl	$239, %ecx
				movl	$0, %eax
				rep stosb
				movb	$15, 256(%rsp)
				movq	%rsp, %rdi
				leaq	256(%rsp), %rsi
				movl	$32, %ecx
				rep movsq
		.LVL3:
		.LBE6:
				movb	$15, (%rsp)
				leaq	256(%rsp), %rdi
				movq	%rsp, %rsi
				movl	$32, %ecx
				rep movsq
		.L8:
				pushq	$5
				leaq	.LC1(%rip), %rax
				pushq	%rax
				subq	$256, %rsp
				leaq	528(%rsp), %rsi
				movl	$32, %ecx
				movq	%rsp, %rdi
				rep movsq
				movl	$98, %r9d
				leaq	.LC0(%rip), %r8
				movl	$98, %ecx
				movl	$2, %edx
				movl	$8, %esi
				movl	%ebx, %edi
				movl	$0, %eax
				call	_signal_eventf@PLT
		.LVL4:
		.LDL2:
				addq	$272, %rsp
				movl	$0, %eax
				movq	520(%rsp), %rdx
				xorq	%fs:40, %rdx
				jne	.L13
				addq	$528, %rsp
				popq	%rbx
				ret
		.L12:
				leaq	256(%rsp), %rdi
				call	_imp_c2istr@PLT
		.LVL5:
				jmp	.L8
		.L13:
				call	__stack_chk_fail@PLT
		.LVL6:
		.LFE185:
		.Letext0: