From: Timm Bäder <mail@baedert.org>
Date: Sat, 5 Nov 2016 20:48:58 +0000 (+0100)
Subject: binaryexpression: Fix is_non_null for COALESCE expressions
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0bdd1975970949a55187f1527f93e5b1bce24fdc;p=thirdparty%2Fvala.git

binaryexpression: Fix is_non_null for COALESCE expressions
---

diff --git a/vala/valabinaryexpression.vala b/vala/valabinaryexpression.vala
index b081090d0..7e08f64a4 100644
--- a/vala/valabinaryexpression.vala
+++ b/vala/valabinaryexpression.vala
@@ -138,6 +138,10 @@ public class Vala.BinaryExpression : Expression {
 	}
 
 	public override bool is_non_null () {
+		if (operator == BinaryOperator.COALESCE) {
+			// The coalesce operator makes sure that `right` is taken if left is null
+			return right.is_non_null ();
+		}
 		return left.is_non_null () && right.is_non_null ();
 	}