From: Princeton Ferro <princetonferro@gmail.com>
Date: Thu, 20 Feb 2020 14:31:13 +0000 (+0100)
Subject: vala: Handle unavailable type-symbol in Constant.check_const_type()
X-Git-Tag: 0.47.92~3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4f48a27ac93913667413d42f34a04b25949ee4a9;p=thirdparty%2Fvala.git

vala: Handle unavailable type-symbol in Constant.check_const_type()

This caused criticals like:

  vala_typesymbol_is_subtype_of: assertion 'self != NULL' failed
---

diff --git a/vala/valaconstant.vala b/vala/valaconstant.vala
index 809cb883d..b0beddc2b 100644
--- a/vala/valaconstant.vala
+++ b/vala/valaconstant.vala
@@ -190,8 +190,8 @@ public class Vala.Constant : Symbol {
 		} else if (type is ArrayType) {
 			unowned ArrayType array_type = (ArrayType) type;
 			return check_const_type (array_type.element_type, context);
-		} else if (type.type_symbol.is_subtype_of (context.analyzer.string_type.type_symbol)) {
-			return true;
+		} else if (type.type_symbol != null) {
+			return type.type_symbol.is_subtype_of (context.analyzer.string_type.type_symbol);
 		} else {
 			return false;
 		}