Merge pull request #62835 from DougGregor/macros-experimental-in-prod

Allow the "macros" experimental feature to be enabled in production compilers

Author: swift-ci

include/swift/Basic/Features.def

@@ -150,7 +150,7 @@ EXPERIMENTAL_FEATURE(ImplicitSome, false)
 EXPERIMENTAL_FEATURE(ParserASTGen, false)
 
 /// Enable the experimental macros feature.
-EXPERIMENTAL_FEATURE(Macros, false)
+EXPERIMENTAL_FEATURE(Macros, true)
 
 /// Parse using the Swift (swift-syntax) parser and use ASTGen to generate the
 /// corresponding syntax tree.