Avoid possible infinite loop when next_point reaching the end of file#103521

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bors merged 1 commit intorust-lang:masterfrom chenyukang:yukang/fix-103451-avoid-hang

Nov 9, 2022

+46-10

Commits on Oct 25, 2022

Fix rust-lang#103451 , find_width_of_character_at_span return width with 1 when reaching end
chenyukang
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