Edinburgh IMP77 Compiler - Version 8.4
    1 %begin
				.machinemode zarch
				.machine "zEC12"
		.text
		.Ltext0:
				.section	.rodata.str1.2,"aMS",@progbits,1
				.align	2
		.LC2:
				.string	"test-new/test214.imp"
				.align	2
		.LC3:
				.string	"switch jump to undefined label X(%d): at %s line %d"
				.section	.rodata
				.align	2
		.LC1:
				.byte	20
				.string	"test-new/test214.imp"
				.zero	234
		.text
				.align	8
		.globl main
		main:
		.LFB185:
		.LVL0:
				stmg	%r6,%r15,48(%r15)
				lay	%r15,-968(%r15)
				ear	%r1,%a0
				sllg	%r1,%r1,32
				ear	%r1,%a1
				mvc	960(8,%r15),40(%r1)
		.L2:
		.L3:
		.L4:
    2   %switch x(1:4)
				brasl	%r14,_imp_initialise@PLT
		.LVL1:
		.LDL1:
		.L5:
    3   ->x(3)
    4   x(1):
    5   x(2):
    6   x(4):
    7   printstring("OK");newline
    8 %endofprogram
    6 Statements compiled
				lgrl	%r1,_imp_current_file@GOTENT
				ltg	%r3,0(%r1)
				je	.L6
				la	%r2,704(%r15)
				brasl	%r14,_imp_c2istr@PLT
		.LVL2:
		.L7:
				lgrl	%r1,_imp_current_line@GOTENT
				lt	%r3,0(%r1)
				ltr	%r3,%r3
				lhi	%r1,15
				locrne	%r1,%r3
				lr	%r3,%r1
				mvc	192(256,%r15),704(%r15)
				mvghi	184(%r15),3
				larl	%r1,.LC2
				stg	%r1,176(%r15)
				mvghi	168(%r15),3
				larl	%r1,.LC3
				stg	%r1,160(%r15)
				lghi	%r6,3
				lghi	%r5,2
				lghi	%r4,8
				lgfr	%r3,%r3
				la	%r2,192(%r15)
				brasl	%r14,_signal_eventf@PLT
		.LVL3:
		.LDL2:
				lghi	%r2,0
				ear	%r1,%a0
				sllg	%r1,%r1,32
				ear	%r1,%a1
				clc	960(8,%r15),40(%r1)
				jne	.L12
				lg	%r4,1080(%r15)
				lmg	%r6,%r15,1016(%r15)
				br	%r4
		.L6:
		.LBB11:
				larl	%r1,.LC1
				mvc	704(256,%r15),0(%r1)
				mvc	448(256,%r15),704(%r15)
		.LBE11:
				mvc	704(256,%r15),448(%r15)
				j	.L7
		.L12:
				brasl	%r14,__stack_chk_fail@PLT
		.LVL4:
		.LFE185:
		.Letext0: