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* compile.c (defined_expr): protect some expression from

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segmentation fault.  a patch from wanabe <s.wanabe at gmail.com>
  in [ruby-dev:34593].

* compile.c (defined_expr):

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@16296 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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matz 2008-05-05 11:01:10 +00:00
parent 0fb8126bbf
commit 58967f4fcd
2 changed files with 12 additions and 1 deletions
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10
ChangeLog
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@ -1,3 +1,13 @@
Mon May 5 19:58:44 2008 Yukihiro Matsumoto <matz@ruby-lang.org>
* compile.c (defined_expr): protect some expression from
segmentation fault. a patch from wanabe <s.wanabe at gmail.com>
in [ruby-dev:34593].
Mon May 5 19:57:42 2008 Yukihiro Matsumoto <matz@ruby-lang.org>
* compile.c (defined_expr):
Mon May 5 19:49:59 2008 Yukihiro Matsumoto <matz@ruby-lang.org>
* struct.c (rb_struct_s_def): Struct.new(0) should not SEGV.

3
compile.c
View file

@ -2464,6 +2464,7 @@ defined_expr(rb_iseq_t *iseq, LINK_ANCHOR *ret,
needstr);
return 1;
case NODE_SUPER:
case NODE_ZSUPER:
ADD_INSN(ret, nd_line(node), putnil);
ADD_INSN3(ret, nd_line(node), defined, INT2FIX(DEFINED_ZSUPER), 0,
@ -2507,7 +2508,7 @@ defined_expr(rb_iseq_t *iseq, LINK_ANCHOR *ret,
}
ADD_LABEL(ret, lend);
ADD_CATCH_ENTRY(CATCH_TYPE_ENSURE, lstart, lend, ensure, lfinish[1]);
ADD_CATCH_ENTRY(CATCH_TYPE_RESCUE, lstart, lend, ensure, lfinish[1]);
return 1;
} /* end of default */
}