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Auto merge of #100803 - klensy:do-not-encode-preinterned-symbols, r=bjorn3

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Symbols: do not write string values of preinterned symbols into compiled artifacts

r? `@bjorn3`

Followup for #98851

https://github.com/rust-lang/rust/pull/98851#issuecomment-1215606291
This commit is contained in:
bors 2022-08-24 16:56:32 +00:00
commit ebfc7aa531
6 changed files with 57 additions and 23 deletions
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10
compiler/rustc_span/src/symbol.rs
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@ -1804,6 +1804,11 @@ impl Symbol {
Symbol(SymbolIndex::from_u32(n))
}
/// for use in Decoder only
pub fn new_from_decoded(n: u32) -> Self {
Self::new(n)
}
/// Maps a string to its interned representation.
pub fn intern(string: &str) -> Self {
with_session_globals(|session_globals| session_globals.symbol_interner.intern(string))
@ -2028,6 +2033,11 @@ impl Symbol {
pub fn can_be_raw(self) -> bool {
self != kw::Empty && self != kw::Underscore && !self.is_path_segment_keyword()
}
/// Is this symbol was interned in compiler's `symbols!` macro
pub fn is_preinterned(self) -> bool {
self.as_u32() < PREINTERNED_SYMBOLS_COUNT
}
}
impl Ident {