Sync to rust-lang/rust master

.gitmodules

@@ -43,7 +43,7 @@
 [submodule "src/llvm-project"]
 	path = src/llvm-project
 	url = https://github.com/rust-lang/llvm-project.git
-	branch = rustc/9.0-2019-07-12
+	branch = rustc/9.0-2019-09-19
 [submodule "src/doc/embedded-book"]
 	path = src/doc/embedded-book
 	url = https://github.com/rust-embedded/book.git

Cargo.lock

@@ -455,7 +455,7 @@ dependencies = [
  "itertools 0.8.0",
  "lazy_static 1.3.0",
  "matches",
- "pulldown-cmark",
+ "pulldown-cmark 0.6.0",
  "quine-mc_cluskey",
  "regex-syntax",
  "semver",
@@ -1637,7 +1637,7 @@ dependencies = [
  "num_cpus",
  "tokio",
  "tokio-codec",
- "unicase 2.4.0",
+ "unicase 2.5.1",
 ]
 
 [[package]]
@@ -1875,7 +1875,7 @@ dependencies = [
  "log",
  "memchr",
  "open",
- "pulldown-cmark",
+ "pulldown-cmark 0.5.3",
  "regex",
  "serde",
  "serde_derive",
@@ -1897,7 +1897,7 @@ dependencies = [
  "log",
  "mdbook",
  "memchr",
- "pulldown-cmark",
+ "pulldown-cmark 0.5.3",
  "rayon",
  "regex",
  "reqwest",
@@ -1957,7 +1957,7 @@ version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3e27ca21f40a310bd06d9031785f4801710d566c184a6e15bad4f1d9b65f9425"
 dependencies = [
- "unicase 2.4.0",
+ "unicase 2.5.1",
 ]
 
 [[package]]
@@ -2561,7 +2561,19 @@ dependencies = [
  "bitflags",
  "getopts",
  "memchr",
- "unicase 2.4.0",
+ "unicase 2.5.1",
+]
+
+[[package]]
+name = "pulldown-cmark"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "85b0ad0d4c1702965ee6bb5b4ff5e71f83850b497d497e9444302987bf9e26a4"
+dependencies = [
+ "bitflags",
+ "getopts",
+ "memchr",
+ "unicase 2.5.1",
 ]
 
 [[package]]
@@ -3732,7 +3744,7 @@ name = "rustdoc"
 version = "0.0.0"
 dependencies = [
  "minifier",
- "pulldown-cmark",
+ "pulldown-cmark 0.5.3",
  "rustc-rayon",
  "tempfile",
 ]
@@ -4739,9 +4751,9 @@ dependencies = [
 
 [[package]]
 name = "unicase"
-version = "2.4.0"
+version = "2.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a84e5511b2a947f3ae965dcb29b13b7b1691b6e7332cf5dbc1744138d5acb7f6"
+checksum = "2e2e6bd1e59e56598518beb94fd6db628ded570326f0a98c679a304bd9f00150"
 dependencies = [
  "version_check",
 ]

RELEASES.md

@@ -68,6 +68,13 @@ Misc
 - [`rustc` will now warn about some incorrect uses of
   `mem::{uninitialized, zeroed}` that are known to cause undefined behaviour.][63346]
 
+Compatibility Notes
+-------------------
+- Unfortunately the [`x86_64-unknown-uefi` platform can not be built][62785]
+  with rustc 1.39.0.
+- The [`armv7-unknown-linux-gnueabihf` platform is also known to have
+  issues][62896] for certain crates such as libc.
+
 [60260]: https://github.com/rust-lang/rust/pull/60260/
 [61457]: https://github.com/rust-lang/rust/pull/61457/
 [61491]: https://github.com/rust-lang/rust/pull/61491/
@@ -79,7 +86,9 @@ Misc
 [62735]: https://github.com/rust-lang/rust/pull/62735/
 [62766]: https://github.com/rust-lang/rust/pull/62766/
 [62784]: https://github.com/rust-lang/rust/pull/62784/
+[62785]: https://github.com/rust-lang/rust/issues/62785/
 [62814]: https://github.com/rust-lang/rust/pull/62814/
+[62896]: https://github.com/rust-lang/rust/issues/62896/
 [63000]: https://github.com/rust-lang/rust/pull/63000/
 [63056]: https://github.com/rust-lang/rust/pull/63056/
 [63107]: https://github.com/rust-lang/rust/pull/63107/