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authorbors <bors@rust-lang.org>2018-09-27 07:16:27 +0000
committerbors <bors@rust-lang.org>2018-09-27 07:16:27 +0000
commite999ebdb971a0bde03ec3fdfff901ac6613fcfa0 (patch)
tree46af141bfedbbbed8cc2ba6d8e3686347539da7e /src/libsyntax
parent441519536c8bd138e8c651743249acd6814747a1 (diff)
parent2b3e16bfaabd07d87523a90e820fd2fa50377fbc (diff)
downloadrust-e999ebdb971a0bde03ec3fdfff901ac6613fcfa0.tar.gz
rust-e999ebdb971a0bde03ec3fdfff901ac6613fcfa0.zip
Auto merge of #54581 - petrochenkov:cfgattr, r=alexcrichton
Accept trailing comma in `cfg_attr`

Fixes https://github.com/rust-lang/rust/issues/54463 (stable-to-beta regression)
Diffstat (limited to 'src/libsyntax')
-rw-r--r--src/libsyntax/config.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/libsyntax/config.rs b/src/libsyntax/config.rs
index 3d9f4a92f81..a9ce2365577 100644
--- a/src/libsyntax/config.rs
+++ b/src/libsyntax/config.rs
@@ -90,6 +90,7 @@ impl<'a> StripUnconfigured<'a> {
             parser.expect(&token::Comma)?;
             let lo = parser.span.lo();
             let (path, tokens) = parser.parse_meta_item_unrestricted()?;
+            parser.eat(&token::Comma); // Optional trailing comma
             parser.expect(&token::CloseDelim(token::Paren))?;
             Ok((cfg, path, tokens, parser.prev_span.with_lo(lo)))
         }) {