Auto merge of #147512 - Zalathar:rollup-p8kb5f7, r=Zalathar

Rollup of 12 pull requests

Successful merges:

 - rust-lang/rust#146568 (Port the implemention of SIMD intrinsics from Miri to const-eval)
 - rust-lang/rust#147373 (give a better example why `std` modules named like primitives are needed)
 - rust-lang/rust#147419 (bootstrap: add `Builder::rustc_cmd` that includes the lib path)
 - rust-lang/rust#147420 (Add diagnostic items for `pub mod consts` of FP types)
 - rust-lang/rust#147457 (specialize slice::fill to use memset when possible)
 - rust-lang/rust#147467 (Fix double warnings on `#[no_mangle]`)
 - rust-lang/rust#147470 (Clarify how to remediate the panic_immediate_abort error)
 - rust-lang/rust#147480 (Do not invalidate CFG caches in CtfeLimit.)
 - rust-lang/rust#147481 (format: some small cleanup)
 - rust-lang/rust#147488 (refactor: Remove `LLVMRustInsertPrivateGlobal` and `define_private_global`)
 - rust-lang/rust#147489 (Prefer to use repeat_n over repeat().take())
 - rust-lang/rust#147506 (compiletest: Isolate public APIs and minimize public surface area)

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

Author: bors

src/constant.rs

@@ -318,7 +318,7 @@ fn data_id_for_static(
         let mut data = DataDescription::new();
         data.set_align(align);
         let data_gv = module.declare_data_in_data(data_id, &mut data);
-        data.define(std::iter::repeat(0).take(pointer_ty(tcx).bytes() as usize).collect());
+        data.define(std::iter::repeat_n(0, pointer_ty(tcx).bytes() as usize).collect());
         data.write_data_addr(0, data_gv, 0);
         match module.define_data(ref_data_id, &data) {
             // Every time the static is referenced there will be another definition of this global,