[vala/0.40] tests: Add "captured unassigned local variable" test

[Rico Tzschichholz <ricotz src gnome org>]

commit 8e155946bdeb4ddf9ef7cc431a06ef5eefe64836
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Fri Oct 26 13:41:01 2018 +0200

    tests: Add "captured unassigned local variable" test

 tests/Makefile.am                                          |  1 +
 tests/control-flow/unassigned-captured-local-variable.test | 11 +++++++++++
 2 files changed, 12 insertions(+)
---
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 0793a6882..44e2e886d 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -137,6 +137,7 @@ TESTS = \
        control-flow/nested-conditional.vala \
        control-flow/switch.vala \
        control-flow/sideeffects.vala \
+       control-flow/unassigned-captured-local-variable.test \
        control-flow/unassigned-local-block-variable.test \
        control-flow/unassigned-local-variable.test \
        control-flow/while-false.vala \
diff --git a/tests/control-flow/unassigned-captured-local-variable.test 
b/tests/control-flow/unassigned-captured-local-variable.test
new file mode 100644
index 000000000..53c5ad3b5
--- /dev/null
+++ b/tests/control-flow/unassigned-captured-local-variable.test
@@ -0,0 +1,11 @@
+Invalid Code
+
+delegate void Func ();
+
+void main () {
+       string s;
+       Func foo = () => {
+               print ("%s", s);
+       };
+       foo ();
+}