[vala/0.40] vala: Don't analyze error-type of errornous catch-clauses

[Rico Tzschichholz <ricotz src gnome org>]

commit 01fc3552f6885ac04cf40eec1973111413685b78
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Thu Feb 20 15:26:46 2020 +0100

    vala: Don't analyze error-type of errornous catch-clauses

 vala/valaflowanalyzer.vala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/vala/valaflowanalyzer.vala b/vala/valaflowanalyzer.vala
index 853eae73d..e326ad350 100644
--- a/vala/valaflowanalyzer.vala
+++ b/vala/valaflowanalyzer.vala
@@ -945,7 +945,7 @@ public class Vala.FlowAnalyzer : CodeVisitor {
                var catch_clauses = stmt.get_catch_clauses ();
                for (int i = catch_clauses.size - 1; i >= 0; i--) {
                        var catch_clause = catch_clauses[i];
-                       if (catch_clause.error_type != null) {
+                       if (catch_clause.error_type != null && !catch_clause.error) {
                                var error_type = (ErrorType) catch_clause.error_type;
                                jump_stack.add (new JumpTarget.error_target (new BasicBlock (), catch_clause, 
catch_clause.error_type.data_type as ErrorDomain, error_type.error_code, null));
                        } else {