Auto merge of #57568 - Centril:rollup, r=Centril

Rollup of 16 pull requests

Successful merges:

 - #57351 (Don't actually create a full MIR stack frame when not needed)
 - #57353 (Optimise floating point `is_finite` (2x) and `is_infinite` (1.6x).)
 - #57412 (Improve the wording)
 - #57436 (save-analysis: use a fallback when access levels couldn't be computed)
 - #57453 (lldb_batchmode.py: try `import _thread` for Python 3)
 - #57454 (Some cleanups for core::fmt)
 - #57461 (Change `String` to `&'static str` in `ParseResult::Failure`.)
 - #57473 (std: Render large exit codes as hex on Windows)
 - #57474 (save-analysis: Get path def from parent in case there's no def for the path itself.)
 - #57494 (Speed up item_bodies for large match statements involving regions)
 - #57496 (re-do docs for core::cmp)
 - #57508 (rustdoc: Allow inlining of reexported crates and crate items)
 - #57547 (Use `ptr::eq` where applicable)
 - #57557 (resolve: Mark extern crate items as used in more cases)
 - #57560 (hygiene: Do not treat `Self` ctor as a local variable)
 - #57564 (Update the const fn tracking issue to the new metabug)

Failed merges:

r? @ghost

Author: bors

src/doc/unstable-book/src/language-features/const-fn.md

@@ -1,8 +1,8 @@
 # `const_fn`
 
-The tracking issue for this feature is: [#24111]
+The tracking issue for this feature is: [#57563]
 
-[#24111]: https://github.com/rust-lang/rust/issues/24111
+[#57563]: https://github.com/rust-lang/rust/issues/57563
 
 ------------------------
 

src/etc/lldb_batchmode.py

@@ -18,10 +18,15 @@
 import os
 import sys
 import threading
-import thread
 import re
 import time
 
+try:
+    import thread
+except ModuleNotFoundError:
+    # The `thread` module was renamed to `_thread` in Python 3.
+    import _thread as thread
+
 # Set this to True for additional output
 DEBUG_OUTPUT = False