From 566f1ff8e70f67181fc933a016011f062749170f Mon Sep 17 00:00:00 2001
From: janekptacijarabaci <janekptacijarabaci@seznam.cz>
Date: Sat, 17 Mar 2018 16:58:26 +0100
Subject: Handle the now ordinary error prototype object in stack

---
 js/src/jsexn.h | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

(limited to 'js/src/jsexn.h')

diff --git a/js/src/jsexn.h b/js/src/jsexn.h
index a63c70909..ae6335209 100644
--- a/js/src/jsexn.h
+++ b/js/src/jsexn.h
@@ -85,10 +85,17 @@ ExnTypeFromProtoKey(JSProtoKey key)
 {
     JSExnType type = static_cast<JSExnType>(key - JSProto_Error);
     MOZ_ASSERT(type >= JSEXN_ERR);
-    MOZ_ASSERT(type < JSEXN_WARN);
+    MOZ_ASSERT(type < JSEXN_ERROR_LIMIT);
     return type;
 }
 
+static inline bool
+IsErrorProtoKey(JSProtoKey key)
+{
+    JSExnType type = static_cast<JSExnType>(key - JSProto_Error);
+    return type >= JSEXN_ERR && type < JSEXN_ERROR_LIMIT;
+}
+
 class AutoClearPendingException
 {
     JSContext* cx;
-- 
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