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Fix overflow in error emitter

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This commit is contained in:
Badel2 2023-05-19 00:44:14 +02:00
parent 8a281f9c79
commit cbb41008fd
6 changed files with 108 additions and 22 deletions
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11
compiler/rustc_errors/src/lib.rs
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@ -330,12 +330,11 @@ impl CodeSuggestion {
});
buf.push_str(&part.snippet);
let cur_hi = sm.lookup_char_pos(part.span.hi());
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.
acc += len - (cur_hi.col.0 - cur_lo.col.0) as isize;
}
// 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. Note that cur_hi and cur_lo can be on different
// lines, so cur_hi.col can be smaller than cur_lo.col
acc += len - (cur_hi.col.0 as isize - cur_lo.col.0 as isize);
prev_hi = cur_hi;
prev_line = sf.get_line(prev_hi.line - 1);
for line in part.snippet.split('\n').skip(1) {