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Use niche-filling optimization even when multiple variants have data.

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Fixes #46213
This commit is contained in:
Michael Benfield 2022-03-08 19:07:01 +00:00
parent 1a08b96a0b
commit d7a750b504
13 changed files with 338 additions and 158 deletions
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10
compiler/rustc_const_eval/src/interpret/operand.rs
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@ -780,13 +780,13 @@ impl<'mir, 'tcx: 'mir, M: Machine<'mir, 'tcx>> InterpCx<'mir, 'tcx, M> {
}
// Some nodes are used a lot. Make sure they don't unintentionally get bigger.
#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))]
#[cfg(all(target_arch = "x86_64", target_pointer_width = "64", not(bootstrap)))]
mod size_asserts {
use super::*;
use rustc_data_structures::static_assert_size;
// These are in alphabetical order, which is easy to maintain.
static_assert_size!(Immediate, 56);
static_assert_size!(ImmTy<'_>, 72);
static_assert_size!(Operand, 64);
static_assert_size!(OpTy<'_>, 88);
static_assert_size!(Immediate, 48);
static_assert_size!(ImmTy<'_>, 64);
static_assert_size!(Operand, 56);
static_assert_size!(OpTy<'_>, 80);
}