gccrs: Add testcase to show forward declared items work via TypeAlias

Fixes #1073

gcc/testsuite/ChangeLog:

	* rust/compile/issue-1073.rs: New test.

diff --git a/gcc/testsuite/rust/compile/issue-1073.rs b/gcc/testsuite/rust/compile/issue-1073.rs
new file mode 100644 (file)
index 0000000..ac887c0
--- /dev/null
+++ b/gcc/testsuite/rust/compile/issue-1073.rs
@@ -0,0 +1,4 @@
+// { dg-options "-w" }
+type A = B;
+
+struct B;