From c446c0f57af03e0be3a5b39be48d14676e7deebe Mon Sep 17 00:00:00 2001
From: Andreas Rumpf <rumpf_a@web.de>
Date: Tue, 11 Feb 2020 23:48:41 +0100
Subject: fixes #13378 [backport] (#13392)

---
 compiler/sigmatch.nim | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'compiler')

diff --git a/compiler/sigmatch.nim b/compiler/sigmatch.nim
index 09b8d0b76..4105d3780 100644
--- a/compiler/sigmatch.nim
+++ b/compiler/sigmatch.nim
@@ -1942,6 +1942,8 @@ proc localConvMatch(c: PContext, m: var TCandidate, f, a: PType,
 
   if result != nil:
     if result.typ == nil: return nil
+    # bug #13378, ensure we produce a real generic instantiation:
+    result = c.semExpr(c, call)
     # resulting type must be consistent with the other arguments:
     var r = typeRel(m, f[0], result.typ)
     if r < isGeneric: return nil
-- 
cgit 1.4.1-2-gfad0