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

3 files changed, 5 insertions, 3 deletions

diff --git a/src/librustc_codegen_llvm/debuginfo/metadata.rs b/src/librustc_codegen_llvm/debuginfo/metadata.rs
index 72ed55df946..6deedd0b5ea 100644
--- a/src/librustc_codegen_llvm/debuginfo/metadata.rs
+++ b/src/librustc_codegen_llvm/debuginfo/metadata.rs
@@ -47,7 +47,7 @@ use syntax_pos::{self, Span, FileName};
 
 impl PartialEq for llvm::Metadata {
     fn eq(&self, other: &Self) -> bool {
-        self as *const _ == other as *const _
+        ptr::eq(self, other)
     }
 }
 
diff --git a/src/librustc_codegen_llvm/type_.rs b/src/librustc_codegen_llvm/type_.rs
index 1462423d0da..958e00506d6 100644
--- a/src/librustc_codegen_llvm/type_.rs
+++ b/src/librustc_codegen_llvm/type_.rs
@@ -20,12 +20,13 @@ use abi::{LlvmType, FnTypeExt};
 
 use std::fmt;
 use std::cell::RefCell;
+use std::ptr;
 
 use libc::c_uint;
 
 impl PartialEq for Type {
     fn eq(&self, other: &Self) -> bool {
-        self as *const _ == other as *const _
+        ptr::eq(self, other)
     }
 }
 
diff --git a/src/librustc_codegen_llvm/value.rs b/src/librustc_codegen_llvm/value.rs
index 0ec964d4c42..3ad1521be93 100644
--- a/src/librustc_codegen_llvm/value.rs
+++ b/src/librustc_codegen_llvm/value.rs
@@ -4,10 +4,11 @@ use llvm;
 
 use std::fmt;
 use std::hash::{Hash, Hasher};
+use std::ptr;
 
 impl PartialEq for Value {
     fn eq(&self, other: &Self) -> bool {
-        self as *const _ == other as *const _
+        ptr::eq(self, other)
     }
 }