[ruby-dev:25113] [BUG] in parser

西山和広です。

irb19が[BUG]で落ちるので原因となったところを調べてみると
~/.irbrcのhere documentの中で変なことをしてるところが
原因でした。


% cat a.rb
#!/usr/bin/env ruby19
<<-HOGE
#{
  # hoge
}
END_OF_TEXT
% gdb --quiet --command =(echo run;echo bt;echo q) --args ruby19 -v a.rb
Using host libthread_db library "/lib/tls/libthread_db.so.1".
[Thread debugging using libthread_db enabled]
[New Thread 1075605632 (LWP 9079)]
ruby 1.9.0 (2004-12-08) [i686-linux]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 1075605632 (LWP 9079)]
0x0809344e in parser_yyparse (parser_v=0x81408f8) at parse.y:3602
3602                            $3->flags &= ~NODE_NEWLINE;
#0  0x0809344e in parser_yyparse (parser_v=0x81408f8) at parse.y:3602
#1  0x08094572 in yycompile (parser=0x81408f8, f=0xbffffa21 "a.rb", line=0)
    at parse.y:4368
#2  0x080948c8 in rb_compile_file (f=0x81408f8 "??\036@\004", file=135530744,
    start=135530744) at parse.y:4477
#3  0x080b1b34 in load_file (fname=0xbffffa21 "a.rb", script=1)
    at /home/kazu/fromcvs/ruby/lang/ruby-HEAD/ruby.c:911
#4  0x080b1146 in proc_options (argc=0, argv=0xbffff8c0)
    at /home/kazu/fromcvs/ruby/lang/ruby-HEAD/ruby.c:787
#5  0x080b234e in ruby_process_options (argc=3, argv=0xbffff8b4)
    at /home/kazu/fromcvs/ruby/lang/ruby-HEAD/ruby.c:1135
#6  0x08055cd4 in ruby_options (argc=0, argv=0x0)
    at /home/kazu/fromcvs/ruby/lang/ruby-HEAD/eval.c:1378
#7  0x08053fe0 in main (argc=0, argv=0x0, envp=0xbffff8c4)
    at /home/kazu/fromcvs/ruby/lang/ruby-HEAD/main.c:37
%


-- 
|ZnZ(ゼット エヌ ゼット)
|西山和広(Kazuhiro NISHIYAMA)