Move /src/test to /tests

tests/codegen/dealloc-no-unwind.rs

@@ -0,0 +1,22 @@
+// no-system-llvm
+// compile-flags: -O
+
+#![crate_type="lib"]
+
+struct A;
+
+impl Drop for A {
+    fn drop(&mut self) {
+        extern "C" { fn foo(); }
+        unsafe { foo(); }
+    }
+}
+
+#[no_mangle]
+pub fn a(a: Box<i32>) {
+    // CHECK-LABEL: define{{.*}}void @a
+    // CHECK: call void @__rust_dealloc
+    // CHECK-NEXT: call void @foo
+    let _a = A;
+    drop(a);
+}