diff options
Diffstat (limited to 'compiler/rustc_builtin_macros/src/concat_bytes.rs')
-rw-r--r-- | compiler/rustc_builtin_macros/src/concat_bytes.rs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/compiler/rustc_builtin_macros/src/concat_bytes.rs b/compiler/rustc_builtin_macros/src/concat_bytes.rs index ba639c0a9..5ef35af0a 100644 --- a/compiler/rustc_builtin_macros/src/concat_bytes.rs +++ b/compiler/rustc_builtin_macros/src/concat_bytes.rs @@ -18,6 +18,11 @@ 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? + cx.span_err(span, "cannot concatenate C string literals"); + } Ok(ast::LitKind::Char(_)) => { let sugg = snippet.map(|snippet| ConcatBytesInvalidSuggestion::CharLit { span, snippet }); |