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authorVadim Petrochenkov <vadim.petrochenkov@gmail.com>2018-09-26 03:07:59 +0300
committerVadim Petrochenkov <vadim.petrochenkov@gmail.com>2018-09-26 03:07:59 +0300
commit2b3e16bfaabd07d87523a90e820fd2fa50377fbc (patch)
treee4aab8efdc2ea8c7fd2f735cf0ea2a43a051288f /src/libsyntax
parent4141a4079e3e6b2c4ac104fed042a9b7241467eb (diff)
downloadrust-2b3e16bfaabd07d87523a90e820fd2fa50377fbc.tar.gz
rust-2b3e16bfaabd07d87523a90e820fd2fa50377fbc.zip
Accept trailing comma in `cfg_attr`
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 5d978b6b9e6..ea0d1efe7e2 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)))
         }) {