Do not give function allocations alignment in consteval or miri.

src/tools/miri/tests/pass/fn_align.rs

@@ -1,25 +0,0 @@
-//@compile-flags: -Zmin-function-alignment=8
-
-// FIXME(rust-lang/rust#82232, rust-lang/rust#143834): temporarily renamed to mitigate `#[align]`
-// nameres ambiguity
-#![feature(rustc_attrs)]
-#![feature(fn_align)]
-
-// When a function uses `align(N)`, the function address should be a multiple of `N`.
-
-#[rustc_align(256)]
-fn foo() {}
-
-#[rustc_align(16)]
-fn bar() {}
-
-#[rustc_align(4)]
-fn baz() {}
-
-fn main() {
-    assert!((foo as usize).is_multiple_of(256));
-    assert!((bar as usize).is_multiple_of(16));
-
-    // The maximum of `align(N)` and `-Zmin-function-alignment=N` is used.
-    assert!((baz as usize).is_multiple_of(8));
-}