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-rw-r--r--parse.y2
1 files changed, 1 insertions, 1 deletions
diff --git a/parse.y b/parse.y
index 0fc91b0..bd20398 100644
--- a/parse.y
+++ b/parse.y
@@ -2377,7 +2377,7 @@ opt_f_block_arg : ',' f_block_arg
singleton : var_ref
{
- if (nd_type($1) == NODE_SELF) {
+ if ($1 && nd_type($1) == NODE_SELF) {
$$ = NEW_SELF();
}
else {