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| author | Nicholas Nethercote <nnethercote@mozilla.com> | 2019-05-22 12:42:23 +1000 |
|---|---|---|
| committer | Nicholas Nethercote <nnethercote@mozilla.com> | 2019-05-27 13:58:38 +1000 |
| commit | 26451ef7b5e00887dc8f27717ff34262df23d655 (patch) | |
| tree | 7e369732e649c3404dd2e7fb030c3a032fa0b790 /src/libsyntax_ext/deriving/mod.rs | |
| parent | 6c0ff3dd979ccaf974312d72a4fba8392eb1a4f7 (diff) | |
| download | rust-26451ef7b5e00887dc8f27717ff34262df23d655.tar.gz rust-26451ef7b5e00887dc8f27717ff34262df23d655.zip | |
Avoid unnecessary internings.
Most involving `Symbol::intern` on string literals.
Diffstat (limited to 'src/libsyntax_ext/deriving/mod.rs')
| -rw-r--r-- | src/libsyntax_ext/deriving/mod.rs | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libsyntax_ext/deriving/mod.rs b/src/libsyntax_ext/deriving/mod.rs index c27de692d88..eff71bc969e 100644 --- a/src/libsyntax_ext/deriving/mod.rs +++ b/src/libsyntax_ext/deriving/mod.rs @@ -145,7 +145,7 @@ fn call_intrinsic(cx: &ExtCtxt<'_>, span = span.with_ctxt(cx.backtrace()); } else { // Avoid instability errors with user defined curstom derives, cc #36316 let mut info = cx.current_expansion.mark.expn_info().unwrap(); - info.allow_internal_unstable = Some(vec![Symbol::intern("core_intrinsics")].into()); + info.allow_internal_unstable = Some(vec![sym::core_intrinsics].into()); let mark = Mark::fresh(Mark::root()); mark.set_expn_info(info); span = span.with_ctxt(SyntaxContext::empty().apply_mark(mark)); |