let llsz = llsize_of(ccx, llty);
let llalign = type_of::align_of(ccx, t);
call_memcpy(bcx, dst, src, llsz, llalign as u32);
+ } else if common::type_is_fat_ptr(bcx.tcx(), t) {
+ let (data, extra) = load_fat_ptr(bcx, src, t);
+ store_fat_ptr(bcx, data, extra, dst, t);
} else {
store_ty(bcx, load_ty(bcx, src, t), dst, t);
}
--- /dev/null
+// Copyright 2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// compile-flags: -C no-prepopulate-passes
+
+#![crate_type = "lib"]
+
+pub trait T {}
+
+// CHECK-LABEL: @copy_fat_ptr
+#[no_mangle]
+pub fn copy_fat_ptr(x: &T) {
+// CHECK-NOT: extractvalue
+ let x2 = x;
+}