bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

Only assert the Parser size on specific arches

Browse source 
The size of this struct depends on the alignment of `u128`, for example
powerpc64le and s390x have align-8 and end up with only 280 bytes. Our
64-bit tier-1 arches are the same though, so let's just assert on those.
This commit is contained in:
Josh Stone 2025-01-21 17:24:29 -08:00
parent a24bdc60ce
commit aef640a613
1 changed files with 3 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

5
compiler/rustc_parse/src/parser/mod.rs
View file

@ -189,8 +189,9 @@ pub struct Parser<'a> {
}
// This type is used a lot, e.g. it's cloned when matching many declarative macro rules with
// nonterminals. Make sure it doesn't unintentionally get bigger.
#[cfg(all(target_pointer_width = "64", not(target_arch = "s390x")))]
// nonterminals. Make sure it doesn't unintentionally get bigger. We only check a few arches
// though, because `TokenTypeSet(u128)` alignment varies on others, changing the total size.
#[cfg(all(target_pointer_width = "64", any(target_arch = "aarch64", target_arch = "x86_64")))]
rustc_data_structures::static_assert_size!(Parser<'_>, 288);
/// Stores span information about a closure.