diff --git a/src/librustc/middle/trans/foreign.rs b/src/librustc/middle/trans/foreign.rs index f8131c6337844..372d24e664cf8 100644 --- a/src/librustc/middle/trans/foreign.rs +++ b/src/librustc/middle/trans/foreign.rs @@ -805,6 +805,9 @@ pub fn trans_intrinsic(ccx: @mut CrateContext, _ => Ret(bcx, BitCast(bcx, llsrcval, llouttype)) } } + } else if ty::type_is_immediate(ccx.tcx, out_type) { + let llsrcptr = PointerCast(bcx, llsrcval, llouttype.ptr_to()); + Ret(bcx, Load(bcx, llsrcptr)); } else { // NB: Do not use a Load and Store here. This causes massive // code bloat when `transmute` is used on large structural diff --git a/src/test/run-pass/transmute-non-immediate-to-immediate.rs b/src/test/run-pass/transmute-non-immediate-to-immediate.rs new file mode 100644 index 0000000000000..57844e7d860c2 --- /dev/null +++ b/src/test/run-pass/transmute-non-immediate-to-immediate.rs @@ -0,0 +1,18 @@ +// Copyright 2013 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 or the MIT license +// , at your +// option. This file may not be copied, modified, or distributed +// except according to those terms. + +// Issue #7988 +// Transmuting non-immediate type to immediate type + +fn main() { + unsafe { + std::cast::transmute::<[int,..1],int>([1]) + }; +}