Auto merge of #68254 - Dylan-DPC:rollup-9vhc59u, r=Dylan-DPC

Rollup of 6 pull requests

Successful merges:

 - #68123 (Implement Cursor for linked lists. (RFC 2570).)
 - #68212 (Suggest to shorten temporary lifetime during method call inside generator)
 - #68232 (Optimize size/speed of Unicode datasets)
 - #68236 (Add some regression tests)
 - #68237 (Account for `Path`s in `is_suggestable_infer_ty`)
 - #68252 (remove redundant clones, found by clippy)

Failed merges:

r? @ghost

.gitignore

@@ -34,14 +34,7 @@ __pycache__/
 # Created by default with `src/ci/docker/run.sh`:
 /obj/
 /rustllvm/
-/src/libcore/unicode/DerivedCoreProperties.txt
-/src/libcore/unicode/DerivedNormalizationProps.txt
-/src/libcore/unicode/PropList.txt
-/src/libcore/unicode/ReadMe.txt
-/src/libcore/unicode/Scripts.txt
-/src/libcore/unicode/SpecialCasing.txt
-/src/libcore/unicode/UnicodeData.txt
-/src/libcore/unicode/downloaded
+/unicode-downloads
 /target/
 # Generated by compiletest for incremental:
 /tmp/

Cargo.lock

@@ -4953,6 +4953,16 @@ version = "1.10.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "612d636f949607bdf9b123b4a6f6d966dedf3ff669f7f045890d3a4a73948169"
 
+[[package]]
+name = "ucd-parse"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ca6b52bf4da6512f0f07785a04769222e50d29639e7ecd016b7806fd2de306b4"
+dependencies = [
+ "lazy_static 1.3.0",
+ "regex",
+]
+
 [[package]]
 name = "ucd-trie"
 version = "0.1.1"
@@ -4974,6 +4984,13 @@ dependencies = [
  "version_check 0.1.5",
 ]
 
+[[package]]
+name = "unicode-bdd"
+version = "0.1.0"
+dependencies = [
+ "ucd-parse",
+]
+
 [[package]]
 name = "unicode-bidi"
 version = "0.3.4"

Cargo.toml

@@ -23,6 +23,7 @@ members = [
   "src/tools/rustfmt",
   "src/tools/miri",
   "src/tools/rustdoc-themes",
+  "src/tools/unicode-table-generator",
 ]
 exclude = [
   "build",