From: "znz (Kazuhiro NISHIYAMA)" <redmine@...>
Date: 2013-06-11T18:38:53+09:00
Subject: [ruby-dev:47418] [ruby-trunk - Bug #8513][Assigned] assertion failed in rb_ary_modify


Issue #8513 has been reported by znz (Kazuhiro NISHIYAMA).

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Bug #8513: assertion failed in rb_ary_modify
https://bugs.ruby-lang.org/issues/8513

Author: znz (Kazuhiro NISHIYAMA)
Status: Assigned
Priority: Normal
Assignee: nobu (Nobuyoshi Nakada)
Category: core
Target version: current: 2.1.0
ruby -v: ruby 2.1.0dev (2013-06-11 trunk 41229) [x86_64-linux]
Backport: 1.9.3: UNKNOWN, 2.0.0: UNKNOWN


-DARRAY_DEBUG をつけていると rdoc の生成中に array.c:282 で assertion failed になります。

        else if (ARY_SHARED_NUM(shared) == 1 && len > (RARRAY_LEN(shared)>>1)) {          
            long shift = RARRAY_PTR(ary) - RARRAY_PTR(shared);                            
            ARY_SET_PTR(ary, RARRAY_PTR(shared));                                         
            ARY_SET_CAPA(ary, RARRAY_LEN(shared));                                        

の ARY_SET_CAPA が assertion failed になっている 282 行目で、ARY_SET_PTR は通っているので、共通している
    assert(!ARY_EMBED_P(ary));
    assert(!OBJ_FROZEN(ary));
は問題なくて
    assert(!ARY_SHARED_P(ary));
でひっかかっているようです。



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