Auto merge of #94787 - matthiaskrgr:rollup-yyou15f, r=matthiaskrgr

Rollup of 8 pull requests

Successful merges:

 - #91804 (Make some `Clone` impls `const`)
 - #92541 (Mention intent of `From` trait in its docs)
 - #93057 (Add Iterator::collect_into)
 - #94739 (Suggest `if let`/`let_else` for refutable pat in `let`)
 - #94754 (Warn users about `||` in let chain expressions)
 - #94763 (Add documentation about lifetimes to thread::scope.)
 - #94768 (Ignore `close_read_wakes_up` test on SGX platform)
 - #94772 (Add miri to the well known conditional compilation names and values)

Failed merges:

r? `@ghost`
`@rustbot` modify labels: rollup

compiler/rustc_span/src/symbol.rs

@@ -891,6 +891,7 @@ symbols! {
         minnumf32,
         minnumf64,
         mips_target_feature,
+        miri,
         misc,
         mmx_reg,
         modifiers,