runtime(yaml): Fix flow mapping key detection
fixes: #15196
closes: #15313
Signed-off-by: itchyny <itchyny@cybozu.co.jp>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/syntax/testdir/dumps/yaml_04.dump b/runtime/syntax/testdir/dumps/yaml_04.dump
index 2503470..3eda526 100644
--- a/runtime/syntax/testdir/dumps/yaml_04.dump
+++ b/runtime/syntax/testdir/dumps/yaml_04.dump
@@ -17,4 +17,4 @@
| +0#e000002&@3|f|o@1| +0#0000000&@67
| +0#e000002&@3|b|a|r| +0#0000000&@67
| +0#e000002&@3|b|a|z|"| +0#0000000&@66
-@57|7|3|,|0|-|1| @7|6|2|%|
+@57|7|3|,|0|-|1| @7|6|1|%|