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| author | Nicholas Nethercote <n.nethercote@gmail.com> | 2022-03-03 11:02:43 +1100 |
|---|---|---|
| committer | Nicholas Nethercote <n.nethercote@gmail.com> | 2022-03-03 21:45:45 +1100 |
| commit | b9fabc3f9cce1e29cd54f1809b4ac8dc3c52980f (patch) | |
| tree | 8d707a43b124dd0edd708f31a9355e9c54cbbc21 | |
| parent | 11c565f14b03fe06e3149ebb83e546a627a6b649 (diff) | |
| download | rust-b9fabc3f9cce1e29cd54f1809b4ac8dc3c52980f.tar.gz rust-b9fabc3f9cce1e29cd54f1809b4ac8dc3c52980f.zip | |
Add a static size assertion for `MatcherPos`.
| -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) { |