In multiline block comments \r\n line endings are replaced with \r\r\n. BreakableToken does not consider \r a "blank" character. So, internally it breaks lines on \n, leaving a dangling \r, then replaces the \n with \r\n resulting in \r\r\n.
Attached is a fix which simply adds \r to the list of blank characters in BreakableToken and includes a test case in SupportsCRLF. Chris
clang-format_block_comments.patch
Description: Binary data
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