diff options
Diffstat (limited to 'src/libsyntax/parse')
| -rw-r--r-- | src/libsyntax/parse/mod.rs | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/src/libsyntax/parse/mod.rs b/src/libsyntax/parse/mod.rs index bc1bc00ac84..2441a027f99 100644 --- a/src/libsyntax/parse/mod.rs +++ b/src/libsyntax/parse/mod.rs @@ -13,6 +13,8 @@ use crate::symbol::Symbol; use errors::{Applicability, FatalError, Level, Handler, ColorConfig, Diagnostic, DiagnosticBuilder}; use rustc_data_structures::fx::{FxHashSet, FxHashMap}; +#[cfg(target_arch = "x86_64")] +use rustc_data_structures::static_assert_size; use rustc_data_structures::sync::{Lrc, Lock, Once}; use syntax_pos::{Span, SourceFile, FileName, MultiSpan}; use syntax_pos::edition::Edition; @@ -38,6 +40,11 @@ crate mod unescape_error_reporting; 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); + /// Collected spans during parsing for places where a certain feature was /// used and should be feature gated accordingly in `check_crate`. #[derive(Default)] |