ICE with generic new-type structs

[brendanzab]

struct Foo<T>(T);

fn main() {
    let _ = Foo(42);
}

$ RUST_LOG=rustc=1,::rt::backtrace rustc --out-dir . src/test.rs
rust: task failed at 'unknown node type in type_use', /usr/local/src/rust/src/librustc/middle/trans/type_use.rs:139
error: internal compiler error: unexpected failure
note: the compiler hit an unexpected failure path. this is a bug
note: try running with RUST_LOG=rustc=1,::rt::backtrace to get further details and report the results to github.com/mozilla/rust/issues
rust: task failed at 'explicit failure', /usr/local/src/rust/src/librustc/rustc.rc:483
rust: domain main @0x7fd7fa00bc10 root task failed
rust: task failed at 'killed', /usr/local/src/rust/src/libcore/task/mod.rs:630

[pcwalton]

Fixed in incoming