Auto merge of #142220 - workingjubilee:rollup-idgfpof, r=workingjubilee

Rollup of 12 pull requests

Successful merges:

 - rust-lang/rust#141803 (Remove rustc's notion of "preferred" alignment AKA `__alignof`)
 - rust-lang/rust#142053 (Add new Tier-3 targets: `loongarch32-unknown-none*`)
 - rust-lang/rust#142089 (Replace all uses of sysroot_candidates with get_or_default_sysroot)
 - rust-lang/rust#142108 (compiler: Add track_caller to AbiMapping::unwrap)
 - rust-lang/rust#142132 (`tests/ui`: A New Order [6/N])
 - rust-lang/rust#142162 (UnsafePinned: update get() docs and signature to allow shared mutation)
 - rust-lang/rust#142171 (`tests/ui`: A New Order [7/N])
 - rust-lang/rust#142179 (store `target.min_global_align` as an `Align`)
 - rust-lang/rust#142183 (Added test for 30904)
 - rust-lang/rust#142194 (Remove all unused feature gates from the compiler)
 - rust-lang/rust#142199 (Do not free disk space in the `mingw-check-tidy` job)
 - rust-lang/rust#142210 (Run `mingw-check-tidy` on auto builds)

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

Author: bors

src/shims/alloc.rs

@@ -13,10 +13,11 @@ pub trait EvalContextExt<'tcx>: crate::MiriInterpCxExt<'tcx> {
         // alignment requirement and size less than or equal to the size requested."
         // So first we need to figure out what the limits are for "fundamental alignment".
         // This is given by `alignof(max_align_t)`. The following list is taken from
-        // `library/std/src/sys/pal/common/alloc.rs` (where this is called `MIN_ALIGN`) and should
+        // `library/std/src/sys/alloc/mod.rs` (where this is called `MIN_ALIGN`) and should
         // be kept in sync.
         let max_fundamental_align = match this.tcx.sess.target.arch.as_ref() {
-            "x86" | "arm" | "mips" | "mips32r6" | "powerpc" | "powerpc64" | "wasm32" => 8,
+            "x86" | "arm" | "loongarch32" | "mips" | "mips32r6" | "powerpc" | "powerpc64"
+            | "wasm32" => 8,
             "x86_64" | "aarch64" | "mips64" | "mips64r6" | "s390x" | "sparc64" | "loongarch64" =>
                 16,
             arch => bug!("unsupported target architecture for malloc: `{}`", arch),