d: Add testcase for fixed PR116373

This was fixed in upstream, and merged in r15-6559-g332cf038fda109.

	PR d/116373

gcc/testsuite/ChangeLog:

	* gdc.dg/pr116373.d: New test.

diff --git a/gcc/testsuite/gdc.dg/pr116373.d b/gcc/testsuite/gdc.dg/pr116373.d
new file mode 100644 (file)
index 0000000..b58863b
--- /dev/null
+++ b/gcc/testsuite/gdc.dg/pr116373.d
@@ -0,0 +1,8 @@
+// { dg-do compile }
+int[] x;
+
+void foo (int[] y = x[]) {}
+
+void main () {
+    foo();
+}