Edinburgh IMP77 Compiler - Version 8.4
    1 %externalroutine test     ;! Fails if in a routine but works OK in a begin/end block
				.machine ppc
				.section	".text"
		.Ltext0:
				.align 2
				.globl TEST
		TEST:
		.LFB185:
				stwu 1,-16(1)
		.LDL1:
    2   %if 0 = 1 %then %start  ;! only fails if in an "if" condition. Doesn't matter if forward or reversed or a start/finish block!
    3     %signal 15,2
    4   %finish
    5 %end
    6
				addi 1,1,16
				blr
		.LFE185:
		.Letext0:
    7 %endoffile
    6 Statements compiled