diff options
Diffstat (limited to 'src/librustc_errors')
| -rw-r--r-- | src/librustc_errors/emitter.rs | 2 | ||||
| -rw-r--r-- | src/librustc_errors/lib.rs | 6 |
2 files changed, 4 insertions, 4 deletions
diff --git a/src/librustc_errors/emitter.rs b/src/librustc_errors/emitter.rs index 26f1fa267f9..94053b98cd7 100644 --- a/src/librustc_errors/emitter.rs +++ b/src/librustc_errors/emitter.rs @@ -1574,7 +1574,7 @@ impl EmitterWriter { .span_to_lines(parts[0].span) .expect("span_to_lines failed when emitting suggestion"); - assert!(!lines.lines.is_empty()); + assert!(!lines.lines.is_empty() || parts[0].span.is_dummy()); let line_start = sm.lookup_char_pos(parts[0].span.lo()).line; draw_col_separator_no_space(&mut buffer, 1, max_line_num_len + 1); diff --git a/src/librustc_errors/lib.rs b/src/librustc_errors/lib.rs index bed26c3736b..a21314afb1e 100644 --- a/src/librustc_errors/lib.rs +++ b/src/librustc_errors/lib.rs @@ -194,7 +194,7 @@ impl CodeSuggestion { let bounding_span = Span::with_root_ctxt(lo, hi); // The different spans might belong to different contexts, if so ignore suggestion. let lines = sm.span_to_lines(bounding_span).ok()?; - assert!(!lines.lines.is_empty()); + assert!(!lines.lines.is_empty() || bounding_span.is_dummy()); // We can't splice anything if the source is unavailable. if !sm.ensure_source_file_source_present(lines.file.clone()) { @@ -213,8 +213,8 @@ impl CodeSuggestion { let sf = &lines.file; let mut prev_hi = sm.lookup_char_pos(bounding_span.lo()); prev_hi.col = CharPos::from_usize(0); - - let mut prev_line = sf.get_line(lines.lines[0].line_index); + let mut prev_line = + lines.lines.get(0).and_then(|line0| sf.get_line(line0.line_index)); let mut buf = String::new(); for part in &substitution.parts { |