type_hash: The error type is equal to itself.

diff --git a/type_hash.c b/type_hash.c
index 8354011..d170bb6 100644 (file)
--- a/type_hash.c
+++ b/type_hash.c
@@ -246,8 +246,7 @@ static bool types_equal(const type_t *type1, const type_t *type2)
 
        switch (type1->kind) {
        case TYPE_ERROR:
-               /* Hmm, the error type is never equal */
-               return false;
+               return true;
        case TYPE_ATOMIC:
        case TYPE_IMAGINARY:
        case TYPE_COMPLEX: