Tiny cleanup to size assertions

src/librustc_errors/lib.rs

@@ -15,8 +15,6 @@ use Level::*;
 
 use emitter::{Emitter, EmitterWriter, is_case_difference};
 use registry::Registry;
-#[cfg(target_arch = "x86_64")]
-use rustc_data_structures::static_assert_size;
 use rustc_data_structures::sync::{self, Lrc, Lock};
 use rustc_data_structures::fx::{FxHashSet, FxIndexMap};
 use rustc_data_structures::stable_hasher::StableHasher;
@@ -54,7 +52,7 @@ pub type PResult<'a, T> = Result<T, DiagnosticBuilder<'a>>;
 // `PResult` is used a lot. Make sure it doesn't unintentionally get bigger.
 // (See also the comment on `DiagnosticBuilderInner`.)
 #[cfg(target_arch = "x86_64")]
-static_assert_size!(PResult<'_, bool>, 16);
+rustc_data_structures::static_assert_size!(PResult<'_, bool>, 16);
 
 /// Indicates the confidence in the correctness of a suggestion.
 ///

src/libsyntax/ast.rs

@@ -38,9 +38,6 @@ use rustc_data_structures::thin_vec::ThinVec;
 use rustc_index::vec::Idx;
 use rustc_serialize::{self, Decoder, Encoder};
 
-#[cfg(target_arch = "x86_64")]
-use rustc_data_structures::static_assert_size;
-
 use std::fmt;
 
 #[cfg(test)]
@@ -1028,7 +1025,7 @@ pub struct Expr {
 
 // `Expr` is used a lot. Make sure it doesn't unintentionally get bigger.
 #[cfg(target_arch = "x86_64")]
-static_assert_size!(Expr, 96);
+rustc_data_structures::static_assert_size!(Expr, 96);
 
 impl Expr {
     /// Returns `true` if this expression would be valid somewhere that expects a value;

src/libsyntax/token.rs

@@ -14,8 +14,6 @@ use syntax_pos::{self, Span, DUMMY_SP};
 
 use std::fmt;
 use std::mem;
-#[cfg(target_arch = "x86_64")]
-use rustc_data_structures::static_assert_size;
 use rustc_data_structures::sync::Lrc;
 
 #[derive(Clone, PartialEq, RustcEncodable, RustcDecodable, Hash, Debug, Copy)]
@@ -261,7 +259,7 @@ pub enum TokenKind {
 
 // `TokenKind` is used a lot. Make sure it doesn't unintentionally get bigger.
 #[cfg(target_arch = "x86_64")]
-static_assert_size!(TokenKind, 16);
+rustc_data_structures::static_assert_size!(TokenKind, 16);
 
 #[derive(Clone, PartialEq, RustcEncodable, RustcDecodable, Debug)]
 pub struct Token {

src/libsyntax/tokenstream.rs

@@ -16,8 +16,6 @@
 use crate::token::{self, DelimToken, Token, TokenKind};
 
 use syntax_pos::{Span, DUMMY_SP};
-#[cfg(target_arch = "x86_64")]
-use rustc_data_structures::static_assert_size;
 use rustc_data_structures::sync::Lrc;
 use smallvec::{SmallVec, smallvec};
 
@@ -129,7 +127,7 @@ pub type TreeAndJoint = (TokenTree, IsJoint);
 
 // `TokenStream` is used a lot. Make sure it doesn't unintentionally get bigger.
 #[cfg(target_arch = "x86_64")]
-static_assert_size!(TokenStream, 8);
+rustc_data_structures::static_assert_size!(TokenStream, 8);
 
 #[derive(Clone, Copy, Debug, PartialEq, RustcEncodable, RustcDecodable)]
 pub enum IsJoint {