Can't compile core for msp430 - AtomicPtr

[japaric]

STR

$ rustup default nightly

$ rustup component add rust-src

$ cp -r $(rustc --print sysroot)/lib/rustlib/src/rust/src .

$ cd src/libcore

$ cargo build --target msp430-none-elf
   Compiling core v0.0.0 (file:///home/japaric/tmp/src/libcore)
error[E0412]: cannot find type `AtomicPtr` in this scope
   --> sync/atomic.rs:931:26
    |
931 | impl<T> From<*mut T> for AtomicPtr<T> {
    |                          ^^^^^^^^^ not found in this scope

error: aborting due to previous error

error: Could not compile `core`.

Metadata

$ rustc -V
rustc 1.23.0-nightly (bd0e45a32 2017-11-06)

[kennytm]

Duplicate of #45802.