diff options
Diffstat (limited to 'compiler/rustc_builtin_macros/src/concat_bytes.rs')
| -rw-r--r-- | compiler/rustc_builtin_macros/src/concat_bytes.rs | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/compiler/rustc_builtin_macros/src/concat_bytes.rs b/compiler/rustc_builtin_macros/src/concat_bytes.rs index c4f5af384c1..f1b45330ba6 100644 --- a/compiler/rustc_builtin_macros/src/concat_bytes.rs +++ b/compiler/rustc_builtin_macros/src/concat_bytes.rs @@ -19,8 +19,8 @@ fn invalid_type_err( let snippet = cx.sess.source_map().span_to_snippet(span).ok(); match ast::LitKind::from_token_lit(token_lit) { Ok(ast::LitKind::CStr(_, _)) => { - // FIXME(c_str_literals): should concatenation of C string literals - // include the null bytes in the end? + // Avoid ambiguity in handling of terminal `NUL` by refusing to + // concatenate C string literals as bytes. cx.emit_err(errors::ConcatCStrLit { span: span }); } Ok(ast::LitKind::Char(_)) => { |