diff options
Diffstat (limited to 'compiler')
| -rw-r--r-- | compiler/rustc_span/src/symbol.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/compiler/rustc_span/src/symbol.rs b/compiler/rustc_span/src/symbol.rs index efae6250b07..fbe3b4ca6f5 100644 --- a/compiler/rustc_span/src/symbol.rs +++ b/compiler/rustc_span/src/symbol.rs @@ -2592,7 +2592,8 @@ impl Symbol { /// (`token_to_string`, `Ident::to_string`), except that symbols don't keep the rawness flag /// or edition, so we have to guess the rawness using the global edition. pub fn to_ident_string(self) -> String { - Ident::with_dummy_span(self).to_string() + // Avoid creating an empty identifier, because that asserts in debug builds. + if self == kw::Empty { String::new() } else { Ident::with_dummy_span(self).to_string() } } } |