From: Rico Tzschichholz <ricotz@ubuntu.com>
Date: Sat, 27 Feb 2021 11:23:56 +0000 (+0100)
Subject: vala: Report error for invalid inner operand of unary expressions
X-Git-Tag: 0.51.3~5
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ad9c0751574ec8f7c4fb55ba2f1fff383fc90d69;p=thirdparty%2Fvala.git

vala: Report error for invalid inner operand of unary expressions

This fixes criticals like:

    vala_unary_expression_is_integer_type: assertion 'type != NULL' failed
---

diff --git a/vala/valaunaryexpression.vala b/vala/valaunaryexpression.vala
index 0d0dc4b2b..80bee5540 100644
--- a/vala/valaunaryexpression.vala
+++ b/vala/valaunaryexpression.vala
@@ -158,6 +158,10 @@ public class Vala.UnaryExpression : Expression {
 			/* if there was an error in the inner expression, skip type check */
 			error = true;
 			return false;
+		} else if (inner.value_type == null) {
+			error = true;
+			Report.error (inner.source_reference, "Invalid inner operand");
+			return false;
 		}
 
 		if (inner.value_type is FieldPrototype || inner.value_type is PropertyPrototype) {