diff options
| -rw-r--r-- | src/librustc_typeck/lib.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/librustc_typeck/lib.rs b/src/librustc_typeck/lib.rs index 65e00705121..37de3b1f609 100644 --- a/src/librustc_typeck/lib.rs +++ b/src/librustc_typeck/lib.rs @@ -181,8 +181,10 @@ fn require_c_abi_if_variadic(tcx: TyCtxt, abi: Abi, span: Span) { if decl.variadic && abi != Abi::C { - span_err!(tcx.sess, span, E0045, + let mut err = struct_span_err!(tcx.sess, span, E0045, "variadic function must have C calling convention"); + err.span_label(span, &("variadics require C calling conventions").to_string()) + .emit(); } } |