Don't check for null pointer in calls to free

According to the C99 specification section 7.20.3.2 paragraph 2:

> If ptr is a null pointer, no action occurs.

So we do not need to check that the pointer is a null pointer.

1 files changed, 1 insertions, 1 deletions

diff --git a/parse.y b/parse.y
index 329b578f36..13cb3842d5 100644
--- a/parse.y
+++ b/parse.y
@@ -13740,7 +13740,7 @@ rb_ruby_parser_free(void *ptr)
         ruby_sized_xfree(p->tokenbuf, p->toksiz);
     }
     for (local = p->lvtbl; local; local = prev) {
-        if (local->vars) xfree(local->vars);
+        xfree(local->vars);
         prev = local->prev;
         xfree(local);
     }