diff options
| -rw-r--r-- | compiler/rustc_expand/src/mbe/macro_parser.rs | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/compiler/rustc_expand/src/mbe/macro_parser.rs b/compiler/rustc_expand/src/mbe/macro_parser.rs index 596fee21cdd..577e2c823ba 100644 --- a/compiler/rustc_expand/src/mbe/macro_parser.rs +++ b/compiler/rustc_expand/src/mbe/macro_parser.rs @@ -207,6 +207,10 @@ struct MatcherPos<'root, 'tt> { stack: SmallVec<[MatcherTtFrame<'tt>; 1]>, } +// This type is used a lot. Make sure it doesn't unintentionally get bigger. +#[cfg(all(target_arch = "x86_64", target_pointer_width = "64"))] +rustc_data_structures::static_assert_size!(MatcherPos<'_, '_>, 192); + impl<'root, 'tt> MatcherPos<'root, 'tt> { /// Adds `m` as a named match for the `idx`-th metavar. fn push_match(&mut self, idx: usize, m: NamedMatch) { |