Auto merge of #130950 - compiler-errors:yeet-eval, r=BoxyUwU

Continue to get rid of `ty::Const::{try_}eval*`

This PR mostly does:

* Removes all of the `try_eval_*` and `eval_*` helpers from `ty::Const`, and replace their usages with `try_to_*`.
* Remove `ty::Const::eval`.
* Rename `ty::Const::normalize` to `ty::Const::normalize_internal`. This function is still used in the normalization code itself.
* Fix some weirdness around the `TransmuteFrom` goal.

I'm happy to split it out further; for example, I could probably land the first part which removes the helpers, or the changes to codegen which are more obvious than the changes to tools.

r? BoxyUwU

Part of https://github.com/rust-lang/rust/issues/130704

2 files changed, 2 insertions, 2 deletions

diff --git a/compiler/rustc_lint/src/builtin.rs b/compiler/rustc_lint/src/builtin.rs
index 8bd9c899a62..ef8100da9e2 100644
--- a/compiler/rustc_lint/src/builtin.rs
+++ b/compiler/rustc_lint/src/builtin.rs
@@ -2601,7 +2601,7 @@ impl<'tcx> LateLintPass<'tcx> for InvalidValue {
                     ty.tuple_fields().iter().find_map(|field| ty_find_init_error(cx, field, init))
                 }
                 Array(ty, len) => {
-                    if matches!(len.try_eval_target_usize(cx.tcx, cx.param_env), Some(v) if v > 0) {
+                    if matches!(len.try_to_target_usize(cx.tcx), Some(v) if v > 0) {
                         // Array length known at array non-empty -- recurse.
                         ty_find_init_error(cx, *ty, init)
                     } else {
diff --git a/compiler/rustc_lint/src/unused.rs b/compiler/rustc_lint/src/unused.rs
index 1a007250961..ddc18c755a8 100644
--- a/compiler/rustc_lint/src/unused.rs
+++ b/compiler/rustc_lint/src/unused.rs
@@ -346,7 +346,7 @@ impl<'tcx> LateLintPass<'tcx> for UnusedResults {
                         None
                     }
                 }
-                ty::Array(ty, len) => match len.try_eval_target_usize(cx.tcx, cx.param_env) {
+                ty::Array(ty, len) => match len.try_to_target_usize(cx.tcx) {
                     // If the array is empty we don't lint, to avoid false positives
                     Some(0) | None => None,
                     // If the array is definitely non-empty, we can do `#[must_use]` checking.