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Reflow an overlong comment.

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This commit is contained in:
Nicholas Nethercote 2023-07-31 11:21:24 +10:00
parent cfc1aa3c5d
commit a8909b059f
1 changed files with 2 additions and 2 deletions
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4
compiler/rustc_expand/src/mbe/macro_rules.rs
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@ -456,8 +456,8 @@ pub fn compile_declarative_macro(
match tt_parser.parse_tt(&mut Cow::Owned(parser), &argument_gram, &mut NoopTracker) { match tt_parser.parse_tt(&mut Cow::Owned(parser), &argument_gram, &mut NoopTracker) {
Success(m) => m, Success(m) => m,
Failure(()) => { Failure(()) => {
// The fast `NoopTracker` doesn't have any info on failure, so we need to retry it with another one // The fast `NoopTracker` doesn't have any info on failure, so we need to retry it
// that gives us the information we need. // with another one that gives us the information we need.
// For this we need to reclone the macro body as the previous parser consumed it. // For this we need to reclone the macro body as the previous parser consumed it.
let retry_parser = create_parser(); let retry_parser = create_parser();