[vala/staging] vala: Improve error handling of nested initializer lists

[Rico Tzschichholz <ricotz src gnome org>]

commit 605e50e1a678ce239e6a7c02eec1356bbe94de3b
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Thu Jul 2 16:50:36 2020 +0200

    vala: Improve error handling of nested initializer lists
    
    This avoids reporting consequential errors.

 vala/valainitializerlist.vala | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)
---
diff --git a/vala/valainitializerlist.vala b/vala/valainitializerlist.vala
index 93411e470..ea6fc44e2 100644
--- a/vala/valainitializerlist.vala
+++ b/vala/valainitializerlist.vala
@@ -255,10 +255,15 @@ public class Vala.InitializerList : Expression {
                }
 
                foreach (Expression expr in initializers) {
-                       expr.check (context);
+                       if (!expr.check (context)) {
+                               error = true;
+                       }
+               }
+
+               if (error) {
+                       return false;
                }
 
-               bool error = false;
                foreach (Expression e in get_initializers ()) {
                        if (e.value_type == null) {
                                error = true;