diff options
Diffstat (limited to 'src/libsyntax/ext/format.rs')
| -rw-r--r-- | src/libsyntax/ext/format.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/libsyntax/ext/format.rs b/src/libsyntax/ext/format.rs index e92ce139d00..01124fdfa54 100644 --- a/src/libsyntax/ext/format.rs +++ b/src/libsyntax/ext/format.rs @@ -886,7 +886,9 @@ pub fn expand_preparsed_format_args(ecx: &mut ExtCtxt, sp: Span, } match parser.errors.shift() { Some(error) => { - cx.ecx.span_err(efmt.span, "invalid format string: " + error); + cx.ecx.span_err(efmt.span, + format_strbuf!("invalid format string: {}", + error).as_slice()); return DummyResult::raw_expr(sp); } None => {} |