Merge from rust-lang/rust

Author: lnicola

.git-blame-ignore-revs

@@ -23,3 +23,5 @@ b2d2184edea578109a48ec3d8decbee5948e8f35
 # test directives migration
 6e48b96692d63a79a14563f27fe5185f122434f8
 ec2cc761bc7067712ecc7734502f703fe3b024c8
+# format use declarations
+84ac80f1921afc243d71fd0caaa4f2838c294102

.gitignore

@@ -19,6 +19,9 @@ Session.vim
 *.iml
 .vscode
 .project
+.vim/
+.helix/
+.zed/
 .favorites.json
 .settings/
 .vs/
@@ -48,6 +51,7 @@ build/
 /dist/
 /unicode-downloads
 /target
+/library/target
 /src/bootstrap/target
 /src/tools/x/target
 # Created by default with `src/ci/docker/run.sh`

.gitmodules

@@ -33,7 +33,7 @@
 [submodule "src/llvm-project"]
 	path = src/llvm-project
 	url = https://github.com/rust-lang/llvm-project.git
-	branch = rustc/18.1-2024-05-19
+	branch = rustc/19.1-2024-07-30
 	shallow = true
 [submodule "src/doc/embedded-book"]
 	path = src/doc/embedded-book