Auto merge of #92805 - BoxyUwU:revert-lazy-anon-const-substs, r=lcnr

partially revertish `lazily "compute" anon const default substs`

reverts #87280 except for some of the changes around `ty::Unevaluated` having a visitor and a generic for promoted
why revert: <https://github.com/rust-lang/rust/pull/92805#issuecomment-1010736049>

r? `@lcnr`

diff --cc compiler/rustc_borrowck/src/type_check/mod.rs
Simple merge

diff --cc compiler/rustc_const_eval/src/transform/check_consts/check.rs
Simple merge

diff --cc compiler/rustc_const_eval/src/transform/check_consts/qualifs.rs
Simple merge

diff --cc compiler/rustc_infer/src/infer/error_reporting/mod.rs
Simple merge

diff --cc compiler/rustc_infer/src/infer/error_reporting/need_type_info.rs
Simple merge

diff --cc compiler/rustc_infer/src/infer/error_reporting/nice_region_error/static_impl_trait.rs
Simple merge

diff --cc compiler/rustc_infer/src/infer/opaque_types.rs
Simple merge

diff --cc compiler/rustc_lint/src/builtin.rs
Simple merge

diff --cc compiler/rustc_middle/src/mir/mod.rs
Simple merge

diff --cc compiler/rustc_middle/src/ty/consts.rs
Simple merge

diff --cc compiler/rustc_middle/src/ty/mod.rs
Simple merge

diff --cc compiler/rustc_middle/src/ty/print/pretty.rs
Simple merge

diff --cc compiler/rustc_mir_build/src/thir/pattern/const_to_pat.rs
Simple merge

diff --cc compiler/rustc_mir_transform/src/const_prop.rs
Simple merge

diff --cc compiler/rustc_mir_transform/src/lib.rs
Simple merge

diff --cc compiler/rustc_privacy/src/lib.rs
Simple merge

diff --cc compiler/rustc_trait_selection/src/traits/select/mod.rs
Simple merge

diff --cc compiler/rustc_trait_selection/src/traits/structural_match.rs
Simple merge

diff --cc compiler/rustc_ty_utils/src/ty.rs
Simple merge

diff --cc compiler/rustc_typeck/src/astconv/mod.rs
Simple merge

diff --cc compiler/rustc_typeck/src/check/check.rs
Simple merge

diff --cc compiler/rustc_typeck/src/check/fn_ctxt/checks.rs
Simple merge

diff --cc compiler/rustc_typeck/src/check/op.rs
Simple merge

diff --cc compiler/rustc_typeck/src/check/wfcheck.rs
Simple merge

diff --cc compiler/rustc_typeck/src/collect.rs
Simple merge

diff --cc compiler/rustc_typeck/src/collect/type_of.rs
Simple merge

diff --cc src/tools/clippy/clippy_lints/src/escape.rs
Simple merge

diff --cc src/tools/clippy/clippy_lints/src/methods/mod.rs
Simple merge

diff --cc src/tools/clippy/clippy_lints/src/non_copy_const.rs
Simple merge

diff --cc src/tools/clippy/clippy_lints/src/self_named_constructors.rs
Simple merge

diff --cc src/tools/clippy/clippy_utils/src/lib.rs
Simple merge