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eliminate a list with only one element

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git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@66113 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
duerst 2018-12-01 06:07:53 +00:00
parent 4b99725de9
commit 1fa7087f10
1 changed files with 2 additions and 7 deletions
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9
regparse.c
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@ -6129,15 +6129,10 @@ node_extended_grapheme_cluster(Node** np, ScanEnv* env)
/* RI-Sequence := Regional_Indicator{2} */
R_ERR(quantify_property_node(&np1, env, "Regional_Indicator", '2'));
tmp = node_new_list(np1, list2); /* here, list2 should be guaranteed to be NULL */
if (IS_NULL(tmp)) goto err;
list2 = tmp;
np1 = NULL;
tmp = onig_node_new_alt(list2, alt);
tmp = onig_node_new_alt(np1, alt);
if (IS_NULL(tmp)) goto err;
alt = tmp;
list2 = NULL;
np1 = NULL;
tmp = node_new_list(alt, list);
if (IS_NULL(tmp)) goto err;