comp_methods in a SSL_CTX points at an internal database.  Do *not*
free that, since it's shared by all SSL_CTX's, present and future.

ssl/ssl_lib.c

diff --git a/ssl/ssl_lib.c b/ssl/ssl_lib.c
index 105bcb2..621d101 100644
--- a/ssl/ssl_lib.c
+++ b/ssl/ssl_lib.c
@@ -1247,8 +1247,12 @@
 		sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free);
 	if (a->extra_certs != NULL)
 		sk_X509_pop_free(a->extra_certs,X509_free);
+#if 0 /* This should never be done, since it removes a global database */
 	if (a->comp_methods != NULL)
 		sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free);
+#else
+	a->comp_methods = NULL;
+#endif
 	OPENSSL_free(a);
 	}