[clang] [clang module] Current Working Directory Pruning (PR #124786)

[Steven Wu via cfe-commits]

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@@ -63,7 +63,10 @@ enum class ScanningOptimizations {
   /// Canonicalize -D and -U options.
   Macros = 8,
 
-  DSS_LAST_BITMASK_ENUM(Macros),
+  /// Ignore the compiler's working directory if it is safe.
+  IgnoreCWD = 0x10,
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cachemeifyoucan wrote:

Nit: maybe update all other enum value to be hex or `<<` spelling to make format consistent.

https://github.com/llvm/llvm-project/pull/124786