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-rw-r--r--compiler/rustc_builtin_macros/src/concat_bytes.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/compiler/rustc_builtin_macros/src/concat_bytes.rs b/compiler/rustc_builtin_macros/src/concat_bytes.rs
index 5ef35af0a..6a1586f07 100644
--- a/compiler/rustc_builtin_macros/src/concat_bytes.rs
+++ b/compiler/rustc_builtin_macros/src/concat_bytes.rs
@@ -21,7 +21,7 @@ fn invalid_type_err(
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");
+ cx.emit_err(errors::ConcatCStrLit { span: span });
}
Ok(ast::LitKind::Char(_)) => {
let sugg =