--- a
+++ b/test/expr-unary.c
@@ -0,0 +1,12 @@
+void test()
+{
+  int a;
+  int *b;
+  a = -1;
+  a = +2;
+  a = ~4;
+  a = *b;
+  a = -a;
+  a = +a;
+  a = ~a;
+}