From 1ddf581f8c820af6316f55e246fac3ceb29191f0 Mon Sep 17 00:00:00 2001
From: spew <devnull@localhost>
Date: Thu, 24 May 2018 19:31:55 -0400
Subject: cc: fix result of operation not used warning for void casts

---
 sys/src/cmd/vc/cgen.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

(limited to 'sys/src/cmd/vc')

diff --git a/sys/src/cmd/vc/cgen.c b/sys/src/cmd/vc/cgen.c
index e5d4fc349..425134a10 100644
--- a/sys/src/cmd/vc/cgen.c
+++ b/sys/src/cmd/vc/cgen.c
@@ -359,7 +359,10 @@ cgen(Node *n, Node *nn)
 
 	case OCAST:
 		if(nn == Z) {
-			nullwarn(l, Z);
+			if(n->type != types[TVOID])
+				nullwarn(l, Z);
+			else
+				cgen(l, Z);
 			break;
 		}
 		/*
-- 
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