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* iseq_compile_each (NODE_DEFINED): put nil first to fix stack

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consistency.  [ruby-core:30293]
  Now, lfinish[0] of defined_expr seems not to be used.  Refactoring
  may be needed.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@27894 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
mame 2010-05-19 11:06:48 +00:00
parent bc85fde333
commit 0aef600891
3 changed files with 20 additions and 2 deletions
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5
compile.c
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@ -4815,11 +4815,12 @@ iseq_compile_each(rb_iseq_t *iseq, LINK_ANCHOR *ret, NODE * node, int poped)
LABEL *lfinish[2];
lfinish[0] = NEW_LABEL(nd_line(node));
lfinish[1] = 0;
ADD_INSN(ret, nd_line(node), putnil);
defined_expr(iseq, ret, node->nd_head, lfinish, Qtrue);
ADD_INSN(ret, nd_line(node), swap);
ADD_INSN(ret, nd_line(node), pop);
if (lfinish[1]) {
ADD_INSNL(ret, nd_line(node), jump, lfinish[0]);
ADD_LABEL(ret, lfinish[1]);
ADD_INSN(ret, nd_line(node), putnil);
}
ADD_LABEL(ret, lfinish[0]);
}