http: cleanup assertion for memoized header strings

assert_frozen() should not be checking what type of
object it is, instead put an extra assertion in there
to ensure we have a string.

1 files changed, 1 insertions, 0 deletions

diff --git a/ext/unicorn_http/unicorn_http.rl b/ext/unicorn_http/unicorn_http.rl
index 39dbd45..5cacb37 100644
--- a/ext/unicorn_http/unicorn_http.rl
+++ b/ext/unicorn_http/unicorn_http.rl
@@ -192,6 +192,7 @@ static void write_value(VALUE req, struct http_parser *hp,
     HP_FL_SET(hp, HASTRAILER);
     hp_invalid_if_trailer(hp);
   } else {
+    assert(TYPE(f) == T_STRING && "memoized object is not a string");
     assert_frozen(f);
   }