[clang] counter var3 (PR #162291)

[Helena Kotas via cfe-commits]

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@@ -903,6 +938,73 @@ BuiltinTypeDeclBuilder &BuiltinTypeDeclBuilder::addCreateFromImplicitBinding() {
       .finalize();
 }
 
+BuiltinTypeDeclBuilder &
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hekota wrote:

Could you please add a comment here and to the other new static method describing what the method looks like, similar to what the existing static create methods have?  See line 867.

https://github.com/llvm/llvm-project/pull/162291