ref: e8dad5a39e2622074659ef68f02ecf2f9f2451bd
parent: 0a3fc1260101b79de8f088e86fe78bfb553d0290
author: Sebastian Rasmussen <sebras@gmail.com>
date: Tue Jul 4 22:45:15 EDT 2017
Make js_freestate() not segfault on NULL argument.
--- a/jsgc.c
+++ b/jsgc.c
@@ -225,6 +225,9 @@
js_Environment *env, *nextenv;
js_String *str, *nextstr;
+ if (!J)
+ return;
+
for (env = J->gcenv; env; env = nextenv)
nextenv = env->gcnext, jsG_freeenvironment(J, env);
for (fun = J->gcfun; fun; fun = nextfun)