From 33bf7839baf886a1a1a7bf1880acd712b9fe24b3 Mon Sep 17 00:00:00 2001
From: Andreas Rumpf <rumpf_a@web.de>
Date: Mon, 1 Jun 2020 12:33:13 +0200
Subject: [PATCH] fixes #14514 [backport:1.2] (#14533)

(cherry picked from commit 8710395a0f7b57bab755ea826a82e3ceef85aa52)
---
 compiler/ccgcalls.nim | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/compiler/ccgcalls.nim b/compiler/ccgcalls.nim
index e19e96503f..10f5ef638a 100644
--- a/compiler/ccgcalls.nim
+++ b/compiler/ccgcalls.nim
@@ -43,7 +43,9 @@ proc preventNrvo(p: BProc; le, ri: PNode): bool =
     for i in 1..<ri.len:
       let r = ri[i]
       if isPartOf(le, r) != arNo: return true
-    if canRaiseDisp(p, ri[0]) and
+    # we use the weaker 'canRaise' here in order to prevent too many
+    # annoying warnings, see #14514
+    if canRaise(ri[0]) and
         (p.nestedTryStmts.len > 0 or locationEscapes(p, le)):
       message(p.config, le.info, warnObservableStores, $le)