ruby 1.8.6 (2010-09-02 patchlevel 420) [powerpc-darwin9.8.0] [1.8.6,pth] (ppc-mac-mini) 155W 3[BUG] 2[SIGABRT] failed(test.rb) failed(method-list) failed(make)

COMMIT [Charles Oliver Nutter] 1.9 falls back on to_enum+next for Enumerable#zip with non-coercible args.