[llvm] [MC] Make MCAsmStreamer::addExplicitComment agnostic to line-endings (PR #229791)

[via llvm-commits]

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@@ -0,0 +1,65 @@
+## A block comment after a statement discarded by eatToEndOfStatement() is not the start of the next statement.
+# RUN: rm -rf %t && split-file %s %t && cd %t
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zhangweize9-cyber wrote:

Remove this line.

https://github.com/llvm/llvm-project/pull/229791