Auto merge of #74667 - Manishearth:rollup-s6k59sw, r=Manishearth

Rollup of 8 pull requests

Successful merges:

 - #74141 (libstd/libcore: fix various typos)
 - #74490 (add a Backtrace::disabled function)
 - #74548 (one more Path::with_extension example, to demonstrate behavior)
 - #74587 (Prefer constant over function)
 - #74606 (Remove Linux workarounds for missing CLOEXEC support)
 - #74637 (Make str point to primitive page)
 - #74654 (require type defaults to be after const generic parameters)
 - #74659 (Improve codegen for unchecked float casts on wasm)

Failed merges:

r? @ghost

1 files changed, 6 insertions, 0 deletions

diff --git a/src/libstd/backtrace.rs b/src/libstd/backtrace.rs
index e65775c1ced..09f83ea5fca 100644
--- a/src/libstd/backtrace.rs
+++ b/src/libstd/backtrace.rs
@@ -291,6 +291,12 @@ impl Backtrace {
         Backtrace::create(Backtrace::force_capture as usize)
     }
 
+    /// Forcibly captures a disabled backtrace, regardless of environment
+    /// variable configuration.
+    pub const fn disabled() -> Backtrace {
+        Backtrace { inner: Inner::Disabled }
+    }
+
     // Capture a backtrace which start just before the function addressed by
     // `ip`
     fn create(ip: usize) -> Backtrace {