[llvm] [TableGen] Treat carriage return as line end in prepSkipRegion (PR #212411)

[David Spickett via llvm-commits]

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@@ -0,0 +1,9 @@
+// LineEnd ::=  newline | return | EOF
+// Preprocessor must treat the \r after `hello` as a line end so that it
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DavidSpickett wrote:

Much clearer thanks!

https://github.com/llvm/llvm-project/pull/212411