trap with typo

[rvjansen]

/* rexx */

options levelb

say 'hello'
line = 'hello'
rest= 'there'

assembler sayx line
assembler sayx rest

say2

The say2 was a typo, but it triggers

$ crexx test_sayx
hello

Signal 7 (FAILURE)
rxvme(3029,0x208b24240) malloc: *** error for object 0x1047239bf: pointer being freed was not allocated
rxvme(3029,0x208b24240) malloc: *** set a breakpoint in malloc_error_break to debug
hellothere%                                                                                                            
Ready; T=0.150/0.150 12:45:26 crexx test_sayx