[astgen] Add '.rawValue' to map operation.

Author: zoecarver

include/swift/AST/CASTBridging.h

@@ -229,6 +229,7 @@ void TopLevelCodeDecl_dump(void *);
 void Expr_dump(void *);
 void Decl_dump(void *);
 void Stmt_dump(void *);
+void Type_dump(void *);
 
 #ifdef __cplusplus
 }

lib/AST/CASTBridging.cpp

@@ -495,3 +495,4 @@ void TopLevelCodeDecl_dump(void *decl) {
 void Expr_dump(void *expr) { ((Expr *)expr)->dump(llvm::errs()); }
 void Decl_dump(void *expr) { ((Decl *)expr)->dump(llvm::errs()); }
 void Stmt_dump(void *expr) { ((Stmt *)expr)->dump(llvm::errs()); }
+void Type_dump(void *expr) { ((TypeRepr *)expr)->dump(); }

lib/ASTGen/Sources/ASTGen/Decls.swift

@@ -137,7 +137,7 @@ extension ASTGenVisitor {
       returnType = nil
     }
 
-    let params = node.signature.input.parameterList.map { visit($0) }
+    let params = node.signature.input.parameterList.map { visit($0).rawValue }
     return .decl(
       params.withBridgedArrayRef { ref in
         FuncDecl_create(