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

5 files changed, 4 insertions, 18 deletions

diff --git a/compiler/rustc_codegen_gcc/example/alloc_system.rs b/compiler/rustc_codegen_gcc/example/alloc_system.rs
index 945d34063a6..4d70122496b 100644
--- a/compiler/rustc_codegen_gcc/example/alloc_system.rs
+++ b/compiler/rustc_codegen_gcc/example/alloc_system.rs
@@ -8,6 +8,7 @@
 // add fast paths for low alignment values.
 #[cfg(any(target_arch = "x86",
               target_arch = "arm",
+              target_arch = "loongarch32",
               target_arch = "m68k",
               target_arch = "mips",
               target_arch = "mips32r6",
diff --git a/compiler/rustc_codegen_gcc/messages.ftl b/compiler/rustc_codegen_gcc/messages.ftl
index 882fff8673a..546bfc87b68 100644
--- a/compiler/rustc_codegen_gcc/messages.ftl
+++ b/compiler/rustc_codegen_gcc/messages.ftl
@@ -2,9 +2,6 @@ codegen_gcc_unknown_ctarget_feature_prefix =
     unknown feature specified for `-Ctarget-feature`: `{$feature}`
     .note = features must begin with a `+` to enable or `-` to disable it
 
-codegen_gcc_invalid_minimum_alignment =
-    invalid minimum global alignment: {$err}
-
 codegen_gcc_forbidden_ctarget_feature =
     target feature `{$feature}` cannot be toggled with `-Ctarget-feature`: {$reason}
 
diff --git a/compiler/rustc_codegen_gcc/src/consts.rs b/compiler/rustc_codegen_gcc/src/consts.rs
index deb13ddf755..1690641a5bc 100644
--- a/compiler/rustc_codegen_gcc/src/consts.rs
+++ b/compiler/rustc_codegen_gcc/src/consts.rs
@@ -18,7 +18,6 @@ use rustc_span::def_id::DefId;
 
 use crate::base;
 use crate::context::CodegenCx;
-use crate::errors::InvalidMinimumAlignment;
 use crate::type_of::LayoutGccExt;
 
 fn set_global_alignment<'gcc, 'tcx>(
@@ -29,13 +28,8 @@ fn set_global_alignment<'gcc, 'tcx>(
     // The target may require greater alignment for globals than the type does.
     // Note: GCC and Clang also allow `__attribute__((aligned))` on variables,
     // which can force it to be smaller. Rust doesn't support this yet.
-    if let Some(min) = cx.sess().target.min_global_align {
-        match Align::from_bits(min) {
-            Ok(min) => align = align.max(min),
-            Err(err) => {
-                cx.sess().dcx().emit_err(InvalidMinimumAlignment { err: err.to_string() });
-            }
-        }
+    if let Some(min_global) = cx.sess().target.min_global_align {
+        align = Ord::max(align, min_global);
     }
     gv.set_alignment(align.bytes() as i32);
 }
diff --git a/compiler/rustc_codegen_gcc/src/errors.rs b/compiler/rustc_codegen_gcc/src/errors.rs
index 1b59b9ac169..ccd9abe3804 100644
--- a/compiler/rustc_codegen_gcc/src/errors.rs
+++ b/compiler/rustc_codegen_gcc/src/errors.rs
@@ -48,12 +48,6 @@ pub(crate) struct UnwindingInlineAsm {
 }
 
 #[derive(Diagnostic)]
-#[diag(codegen_gcc_invalid_minimum_alignment)]
-pub(crate) struct InvalidMinimumAlignment {
-    pub err: String,
-}
-
-#[derive(Diagnostic)]
 #[diag(codegen_gcc_copy_bitcode)]
 pub(crate) struct CopyBitcode {
     pub err: std::io::Error,
diff --git a/compiler/rustc_codegen_gcc/src/lib.rs b/compiler/rustc_codegen_gcc/src/lib.rs
index f79ba2dcfc7..0591ffa42e4 100644
--- a/compiler/rustc_codegen_gcc/src/lib.rs
+++ b/compiler/rustc_codegen_gcc/src/lib.rs
@@ -16,7 +16,7 @@
 #![allow(internal_features)]
 #![doc(rust_logo)]
 #![feature(rustdoc_internals)]
-#![feature(rustc_private, decl_macro, never_type, trusted_len)]
+#![feature(rustc_private)]
 #![allow(broken_intra_doc_links)]
 #![recursion_limit = "256"]
 #![warn(rust_2018_idioms)]