Unbust on (at least) OSX, caused by 8ef5c5564c

No idea why this makes a difference, but suspect the eq on the next line to
have some influence in this.  Error seen was:

Stage start      :   0.000
Stage parse      : moar(51746,0x7fff74dba310) malloc: *** error for object 0x7faa4c7aad90: pointer being freed was not allocated
*** set a breakpoint in malloc_error_break to debug
make: *** [CORE.setting.moarvm] Abort trap: 6