Issue #8940 has been updated by nobu (Nobuyoshi Nakada).


It'd be related to that UTF-32 is a pseudo encoding, probably.
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Bug #8940: printing UTF-32 crashs ruby
https://bugs.ruby-lang.org/issues/8940#change-41936

Author: Hanmac (Hans Mackowiak)
Status: Open
Priority: Urgent
Assignee: 
Category: 
Target version: 
ruby -v: ruby 2.1.0dev (2013-09-23) [x86_64-darwin12.5.0]
Backport: 1.9.3: UNKNOWN, 2.0.0: UNKNOWN


using

p "äöü".encode("UTF-32")

does cause a SEGFAULT

-- C level backtrace information -------------------------------------------
0   libruby.2.1.0.dylib                 0x00000001023f6679 rb_vm_bugreport + 137
1   libruby.2.1.0.dylib                 0x00000001022bab1b report_bug + 283
2   libruby.2.1.0.dylib                 0x00000001022ba9f4 rb_bug + 180
3   libruby.2.1.0.dylib                 0x000000010237cc80 sigsegv + 144
4   libsystem_c.dylib                   0x00007fff91d7d90a _sigtramp + 26
5   ???                                 0x0000000000000000 0x0 + 0
6   libruby.2.1.0.dylib                 0x00000001022b0045 rb_enc_precise_mbclen + 21
7   libruby.2.1.0.dylib                 0x0000000102391cc8 rb_str_inspect + 968
8   libruby.2.1.0.dylib                 0x00000001023f1e74 vm_call0_body + 2116
9   libruby.2.1.0.dylib                 0x00000001023f1264 rb_call0 + 404
10  libruby.2.1.0.dylib                 0x00000001023e7f15 rb_funcall + 261
11  libruby.2.1.0.dylib                 0x0000000102312777 rb_inspect + 23
12  libruby.2.1.0.dylib                 0x00000001022e663b rb_p + 11
13  libruby.2.1.0.dylib                 0x00000001022f5b29 rb_f_p_internal + 57
14  libruby.2.1.0.dylib                 0x00000001022c0b56 rb_ensure + 118
15  libruby.2.1.0.dylib                 0x00000001022e9c9f rb_f_p + 31
16  libruby.2.1.0.dylib                 0x00000001023f4baf vm_call_cfunc + 1007
17  libruby.2.1.0.dylib                 0x00000001023f4528 vm_call_method + 840
18  libruby.2.1.0.dylib                 0x00000001023deca7 vm_exec_core + 11591
19  libruby.2.1.0.dylib                 0x00000001023eb4cd vm_exec + 109
20  libruby.2.1.0.dylib                 0x00000001023ec2d8 rb_iseq_eval_main + 392
21  libruby.2.1.0.dylib                 0x00000001022bfd69 ruby_exec_internal + 121
22  libruby.2.1.0.dylib                 0x00000001022bfcae ruby_run_node + 78
23  ruby                                0x0000000102274eef main + 79




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