1 files changed, 17 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.c-torture/compile/20010605-2.c b/gcc/testsuite/gcc.c-torture/compile/20010605-2.c
new file mode 100644
index 000000000..b8d9d5892
--- /dev/null
+++ b/gcc/testsuite/gcc.c-torture/compile/20010605-2.c
@@ -0,0 +1,17 @@
+/* Origin: Joseph Myers <jsm28@cam.ac.uk>.  */
+/* As an extension, GCC allows a struct or union to be cast to its own
+   type, but failed to allow this when a typedef was involved.
+   Reported as PR c/2735 by <cowan@ccil.org>.  */
+union u { int i; };
+typedef union u uu;
+union u a;
+uu b;
+
+void
+foo (void)
+{
+  a = (union u) b;
+  a = (uu) b;
+  b = (union u) a;
+  b = (uu) a;
+}