From 71dd5f85b9a13d97ea0c74338722bf08a9ae6286 Mon Sep 17 00:00:00 2001
From: Andreas Rumpf <rumpf_a@web.de>
Date: Mon, 20 Jul 2020 07:50:19 +0200
Subject: 'isolate' builtin; refs https://github.com/nim-lang/RFCs/issues/244
 (#15011)

---
 compiler/semmagic.nim | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'compiler/semmagic.nim')

diff --git a/compiler/semmagic.nim b/compiler/semmagic.nim
index e7a964d81..6aa440aa9 100644
--- a/compiler/semmagic.nim
+++ b/compiler/semmagic.nim
@@ -558,6 +558,9 @@ proc magicsAfterOverloadResolution(c: PContext, n: PNode,
     let constructed = result[1].typ.base
     if constructed.requiresInit:
       message(c.config, n.info, warnUnsafeDefault, typeToString(constructed))
+  of mIsolate:
+    if not checkIsolate(n[1]):
+      localError(c.config, n.info, "expression cannot be isolated: " & $n[1])
+    result = n
   else:
     result = n
-
-- 
cgit 1.4.1-2-gfad0