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[clang-format] Fix line lengths w/ comments in align
Summary:
https://bugs.llvm.org/show_bug.cgi?id=43845
When a '//comment' trails a consecutive alignment, it adds a whitespace
replacement within the comment token. This wasn't handled correctly in
the alignment code, which treats it as a whole token and thus double
counts it.
This can wrongly trigger the "line too long, it'll wrap" alignment-break
condition with specific lengths, causing the alignment to break for
seemingly no reason.
Patch By: JakeMerdichAMD
Reviewed By: MyDeveloperDay
Subscribers: kostyakozko, cfe-commits
Tags: #clang, #clang-format
Differential Revision: https://reviews.llvm.org/D79465