[clang-tools-extra] [clang-tidy] Detect string literals in macros in modernize-raw-string… (PR #133636)

[Carlos Galvez via cfe-commits]

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@@ -105,7 +105,8 @@ char const *const StringizedMacroArgument = HAT(foo\\bar);
 
 #define SUBST(lit_) lit_
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carlosgalvezp wrote:

Good point, this doesn't work. It wants to create a replacement `"R\"(foo\\bar\\baz\\bazz\\foo\"cd\")\""` which is non sense.

Most likely macros should be handled in a `PPCallback` instead, thus it's better to drop this PR and implement this feature there instead.

https://github.com/llvm/llvm-project/pull/133636