From a5a89ab586a3b5bb4f266949bbf3dc2b140e2374 Mon Sep 17 00:00:00 2001
From: Mike Pall <mike>
Date: Tue, 5 Jun 2018 12:23:56 +0200
Subject: From Lua 5.3: assert() accepts any type of error object.

---
 src/lib_base.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

(limited to 'src')

diff --git a/src/lib_base.c b/src/lib_base.c
index d61e8762..1cd83058 100644
--- a/src/lib_base.c
+++ b/src/lib_base.c
@@ -42,13 +42,13 @@
 
 LJLIB_ASM(assert)		LJLIB_REC(.)
 {
-  GCstr *s;
   lj_lib_checkany(L, 1);
-  s = lj_lib_optstr(L, 2);
-  if (s)
-    lj_err_callermsg(L, strdata(s));
-  else
+  if (L->top == L->base+1)
     lj_err_caller(L, LJ_ERR_ASSERT);
+  else if (tvisstr(L->base+1) || tvisnumber(L->base+1))
+    lj_err_callermsg(L, strdata(lj_lib_checkstr(L, 2)));
+  else
+    lj_err_run(L);
   return FFH_UNREACHABLE;
 }
 
-- 
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