Avoid ICE of attempt to add with overflow in emitter

2023-03-21 01:22:43 +08:00
parent c90eb4825a
commit cbb8066321
3 changed files with 47 additions and 1 deletions
--- a/compiler/rustc_errors/src/lib.rs
+++ b/compiler/rustc_errors/src/lib.rs
@@ -331,7 +331,7 @@ impl CodeSuggestion {
                    });
                    buf.push_str(&part.snippet);
                    let cur_hi = sm.lookup_char_pos(part.span.hi());
-                    if cur_hi.line == cur_lo.line {
+                    if cur_hi.line == cur_lo.line && !part.snippet.is_empty() {
                        // Account for the difference between the width of the current code and the
                        // snippet being suggested, so that the *later* suggestions are correctly
                        // aligned on the screen.