debuginfo: Fix multi-byte character related bug in cleanup scope handling #19357
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…ling. Also see issue rust-lang#18791.
michaelwoerister
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I just rebased this. I don't think the failure from before had anything to do with this PR. |
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…richton One negative side-effect of this change is that there might be quite a bit of copying strings out of the codemap, i.e. one copy for every block that gets translated, just for taking a look at the last character of the block. If this turns out to cause a performance problem then `CodeMap::span_to_snippet()` could be changed return `Option<&str>` instead of `Option<String>`. Fixes #18791
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One negative side-effect of this change is that there might be quite a bit of copying strings out of the codemap, i.e. one copy for every block that gets translated, just for taking a look at the last character of the block. If this turns out to cause a performance problem then
CodeMap::span_to_snippet()could be changed returnOption<&str>instead ofOption<String>.Fixes #18791