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(merge: 7521a97 6d45529)
Rollup merge of #103521 - chenyukang:yukang/fix-103451-avoid-hang, r=jackh726,wesleywiser
authorManish Goregaokar <manishsmail@gmail.com>
Wed, 9 Nov 2022 02:03:53 +0000 (21:03 -0500)
committerGitHub <noreply@github.com>
Wed, 9 Nov 2022 02:03:53 +0000 (21:03 -0500)
commit75c239402c8fafc89246a26bd066d6ff647e3794
treeef05e8a161095205043a0e4c45dc46d2a9e8d178tree | snapshot
parent7521a974d34d24203b538a2d6d0b220c7c011fa6commit | diff
parent6d455296fde6ff0d5154d39513259a60eb73f302commit | diff
Rollup merge of #103521 - chenyukang:yukang/fix-103451-avoid-hang, r=jackh726,wesleywiser

Avoid possible infinite  loop when next_point reaching the end of file

Fixes #103451
If we return a span with `lo` = `hi`, `span_to_snippet` will always get `Ok("")`, which may introduce infinite loop if we don't care.

This PR make `find_width_of_character_at_span` return `width` with 1, so that `span_to_snippet` will get an `Err`.
Empowering everyone to build reliable and efficient software.