diff options
Diffstat (limited to 'src/libsyntax/ext/trace_macros.rs')
| -rw-r--r-- | src/libsyntax/ext/trace_macros.rs | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/libsyntax/ext/trace_macros.rs b/src/libsyntax/ext/trace_macros.rs index 679e9a5098e..83c6c6a1762 100644 --- a/src/libsyntax/ext/trace_macros.rs +++ b/src/libsyntax/ext/trace_macros.rs @@ -33,7 +33,8 @@ pub fn expand_trace_macros(cx: &mut ExtCtxt, } else if rust_parser.is_keyword(keywords::False) { cx.set_trace_macros(false); } else { - cx.span_fatal(sp, "trace_macros! only accepts `true` or `false`") + cx.span_err(sp, "trace_macros! only accepts `true` or `false`"); + return base::MacResult::dummy_expr(); } rust_parser.bump(); |