[NLL] [ICE] with flat_map.max

[leonardo-m]

#![feature(nll)]
fn main() {
    (0 .. 1).flat_map(|_| 0 .. 1).max();
}

compiled with:

rustc test.rs

Gives:

error: internal compiler error: unresolved type in dtorck

error: aborting due to previous error

rustc 1.24.0-nightly (0a3761e63 2018-01-03)
binary: rustc
commit-hash: 0a3761e63e5961ddd6ae5b9923e7a3c0725541f8
commit-date: 2018-01-03
host: x86_64-pc-windows-gnu
release: 1.24.0-nightly
LLVM version: 4.0

[vorner]

Isn't this the same as #47022?

[leonardo-m]

It probably is, thank you.