[clang] [clang-format] Option to ignore PP directives (PR #70338)

[Björn Schäpers via cfe-commits]

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@@ -24153,6 +24153,23 @@ TEST_F(FormatTest, WhitespaceSensitiveMacros) {
   verifyNoChange("FOO(String-ized&Messy+But: :Still=Intentional);", Style);
 }
 
+TEST_F(FormatTest, IgnorePPDefinitions) {
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HazardyKnusperkeks wrote:

Can you also add some nested `#if` and `#define` to show the (lacking?) indentation?

https://github.com/llvm/llvm-project/pull/70338