testsuite: Add a test for .. in slice patterns

Add a test to check wether the syntax of a RestPattern in a SlicePattern
parse correctly.

gcc/testsuite/ChangeLog:

	* rust/compile/slice_rest_pattern.rs: New test.

Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>

diff --git a/gcc/testsuite/rust/compile/slice_rest_pattern.rs b/gcc/testsuite/rust/compile/slice_rest_pattern.rs
new file mode 100644 (file)
index 0000000..c27a8dd
--- /dev/null
+++ b/gcc/testsuite/rust/compile/slice_rest_pattern.rs
@@ -0,0 +1,8 @@
+// { dg-options "-fsyntax-only" }
+fn foo(a: &[u32]) {
+    match a {
+        [first, ..] => {}
+        [.., last] => {}
+        _ => {}
+    }
+}