Subteam report: compiler 2016-04-08

Highlights

Quiet week.

-- nmatsakis

PR #1414: Add Rvalue-static-promotion RFC
PR #1477: Generic atomic v2
PR #1478: translate undefined intrinsics to an unreachable and a lint
PR #1566: Procedural macros
PR #1573: Supporting code generators with source maps and multiple source directories
FCP PR #1399: RFC: Add #[repr(pack = "N")]
FCP PR #1510: RFC: Add a new crate-type, rdylib

Issue #5016: implement "dynamic drop" semantics using flags on the stack rather than zeroing
Issue #12634: Replace various intrinsic wrappers with intrinsic reexports
Issue #15023: Better temporary lifetimes (tracking issue for RFC 66)
Issue #15287: Implement Pattern Guards with Bind-By-Move
Issue #20561: Tracking issue for Consistent no-prelude attribute (RFC 501)
Issue #27060: repr(packed) allows invalid unaligned loads

Issue #29149: Lifetime bounds in Copy impls are ignored
Issue #29859: Cyclic traits allow arbitrary traits to be synthesized
Issue #30829: Code no longer builds because of RFC 1214
Issue #31299: Bogus error in beta and nightly: recursive type has infinite size
Issue #31543: Warn for type parameter defaults on impl blocks
Issue #31567: Drop and leaking &mut references
Issue #31576: no_run doctests no longer verify lints
Issue #32201: Zero-sized functions pointers no longer variadic-compatible
Issue #32377: Unexpected tail in unsized_info_ty: usize for ty=process::Core<isize, isize, isize>
Issue #32637: Regression of the typenum crate on nightly
Issue #32655: Macro expansion bypasses #[derive_*] stability checks.