Auto merge of #126824 - GuillaumeGomez:rollup-sybv8o7, r=GuillaumeGomez

Rollup of 5 pull requests

Successful merges:

 - #126555 (Add `f16` inline ASM support for 32-bit ARM)
 - #126686 (Add `#[rustc_dump_{predicates,item_bounds}]`)
 - #126723 (Fix `...` in multline code-skips in suggestions)
 - #126731 (Bootstrap command refactoring: refactor `BootstrapCommand` (step 1))
 - #126823 (Migrate `run-make/inline-always-many-cgu` to `rmake.rs`)

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

Author: bors

compiler/rustc_hir_analysis/src/outlives/test.rs

@@ -0,0 +1,32 @@
+use rustc_hir::def::DefKind;
+use rustc_hir::def_id::CRATE_DEF_ID;
+use rustc_middle::ty::TyCtxt;
+use rustc_span::symbol::sym;
+
+pub(crate) fn variances(tcx: TyCtxt<'_>) {
+    if tcx.has_attr(CRATE_DEF_ID, sym::rustc_variance_of_opaques) {
+        for id in tcx.hir().items() {
+            let DefKind::OpaqueTy = tcx.def_kind(id.owner_id) else { continue };
+
+            let variances = tcx.variances_of(id.owner_id);
+
+            tcx.dcx().emit_err(crate::errors::VariancesOf {
+                span: tcx.def_span(id.owner_id),
+                variances: format!("{variances:?}"),
+            });
+        }
+    }
+
+    for id in tcx.hir().items() {
+        if !tcx.has_attr(id.owner_id, sym::rustc_variance) {
+            continue;
+        }
+
+        let variances = tcx.variances_of(id.owner_id);
+
+        tcx.dcx().emit_err(crate::errors::VariancesOf {
+            span: tcx.def_span(id.owner_id),
+            variances: format!("{variances:?}"),
+        });
+    }
+}

compiler/rustc_hir_analysis/src/variance/dump.rs

@@ -22,8 +22,7 @@ mod constraints;
 /// Code to solve constraints and write out the results.
 mod solve;
 
-/// Code to write unit tests of variance.
-pub mod test;
+pub(crate) mod dump;
 
 /// Code for transforming variances.
 mod xform;