#1087: Assertion fails when Array#[]= was specified with very large index. ----------------------------------+----------------------------------------- Reporter: watson1978@… | Owner: lsansonetti@… Type: defect | Status: new Priority: blocker | Milestone: Component: MacRuby | Keywords: ----------------------------------+----------------------------------------- Test Script: {{{ #!ruby LONGP = [127, 63, 31, 15, 7].map {|x| 2**x-1 }.find do |x| begin [].first(x) rescue ArgumentError true rescue RangeError false end end p LONGP ary = [] ary[LONGP] = 1 }}} Result: {{{ $ ruby19 tc.rb 9223372036854775807 tc.rb:12:in `[]=': index 9223372036854775807 too big (IndexError) from tc.rb:12:in `<main>' $ macruby tc.rb 9223372036854775807 Assertion failed: (size > 0), function ruby_xmalloc_memory, file gc.c, line 107. zsh: abort macruby tc.rb }}} BackTrace: {{{ Assertion failed: (size > 0), function ruby_xmalloc_memory, file gc.c, line 107. Program received signal SIGABRT, Aborted. 0x00007fff88411616 in __kill () (gdb) bt #0 0x00007fff88411616 in __kill () #1 0x00007fff884b1cca in abort () #2 0x00007fff8849ec90 in __assert_rtn () #3 0x000000010004e4ad in rb_objc_no_gc_error [inlined] () at /Users/watson/src/MacRuby/gc.c:107 #4 0x000000010004e4ad in ruby_xmalloc_ptrs (size=0) at gc.c:109 #5 0x0000000100015f87 in rary_reserve (ary=8590002080, newlen=9223372036854775808) at array.c:50 #6 0x000000010001e23c in rary_aset (ary=8590002080, sel=<value temporarily unavailable, due to optimizations>, argc=<value temporarily unavailable, due to optimizations>, argv=<value temporarily unavailable, due to optimizations>) at array.h:106 #7 0x000000010014ae35 in rb_vm_dispatch (_vm=0x100d25050, cache=0x100ce4520, top=0, self=8590002080, klass=0x200067ae0, sel=0x100d2c460, block=0x0, opt=0 '\0', argc=2, argv=0x7fff5fbfed10) at dispatcher.cpp:448 #8 0x0000000102d5ac26 in ?? () #9 0x0000000102d5a61e in ?? () #10 0x0000000102d5a2d0 in ?? () #11 0x0000000100158e03 in rb_vm_run (fname=<value temporarily unavailable, due to optimizations>, node=0x200055dc0, binding=<value temporarily unavailable, due to optimizations>, inside_eval=false) at vm.cpp:3942 #12 0x0000000100041830 in ruby_run_node (n=0x200055dc0) at eval.c:211 #13 0x0000000100000d28 in main (argc=3, argv=0x100d1de30, envp=<value temporarily unavailable, due to optimizations>) at main.cpp:40 (gdb) }}} -- Ticket URL: <http://www.macruby.org/trac/ticket/1087> MacRuby <http://macruby.org/>