Add notes for compiler team triage meeting on 2019-12-05

content/minutes/triage-meeting/2019-12-05.md

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+---
+title: 2019.12.05
+type: docs
+---
+
+# 2019-12-05
+
+## Announcements
+
+- [@centril] is working on a major refactoring of the expression, statement, and item parsers in librustc_parse
+
+- [@eddyb] landed [#56231] which unblocks optimizing MIR while preserving debuginfo for variables.
+
+## Backport nominations
+
+- "E0023: handle expected != tuple pattern type" [#67044]
+  - Approved for beta backport
+
+- "Fix some issues with attributes on unnamed fields" [#66669]
+  - Approved for beta & stable backport
+
+- "Do not ICE in if without else in async fn" [#66391]
+  - Approved for stable backport
+
+## Working group sync
+
+### [wg-learning]
+
+Accomplished:
+
+- We have a [chapter about Salsa][salsa_chapter], it was summarized from [this lecture][lecture_1].
+
+- We have a [PR for the ty chapter][ty_chapter], it summarizes [this lecture][lecture_2].
+
+-  We had a [planning meeting][meeting], where we come up with a [document with ideas and next steps][doc] for the rustc-guide. We've basically defined kind of a roadmap and a way to work towards those goals.
+
+Next-steps:
+
+- Start writing an Overview chapter
+
+- Organize a lecture about codegen mir -> llvm IR ([@nagisa], maybe?)
+
+- Organize a lecture about LLVM ([@alexcrichton], maybe?)
+
+- Organize a lecture about monomorphization/type memory layout ([@oli-obk], maybe?)
+
+[#66391]: https://github.com/rust-lang/rust/pull/66391
+[#66669]: https://github.com/rust-lang/rust/pull/66669
+[#67044]: https://github.com/rust-lang/rust/pull/67044
+[@alexcrichton]: https://github.com/alexcrichton
+[@centril]: https://github.com/centril
+[@eddyb]: https://github.com/eddyb
+[@nagisa]: https://github.com/nagisa
+[@oli-obk]: https://github.com/oli-obk
+[doc]: https://hackmd.io/iamkyR_QTdSIdGjYQX_XjQ
+[lecture_1]: https://www.youtube.com/watch?v=_muY4HjSqVw
+[lecture_2]: https://www.youtube.com/watch?v=c01TsOsr3-c
+[meeting]: https://rust-lang.zulipchat.com/#narrow/stream/196385-t-compiler.2Fwg-learning/topic/planning.20meeting
+[salsa_chapter]: https://github.com/rust-lang/rustc-guide/pull/529
+[ty_chapter]: https://github.com/rust-lang/rustc-guide/pull/530
+[wg-learning]: https://rust-lang.github.io/compiler-team/working-groups/learning