Automated rollback of commit 0fb5510.

PiperOrigin-RevId: 871286235

Author: dplassgit

xls/dslx/ir_convert/convert_options.h

@@ -66,7 +66,7 @@ struct ConvertOptions {
 
   // Should we generate proc-scoped channels without global channels as an
   // intermediate step? See https://github.com/google/xls/issues/2078
-  bool lower_to_proc_scoped_channels = false;
+  bool lower_to_proc_scoped_channels = true;
 
   // Force every DSLX function to use the implicit-token calling convention,
   // regardless of what type inference determined.

xls/dslx/ir_convert/ir_converter_main.cc

@@ -103,7 +103,7 @@ absl::Status RealMain(absl::Span<const std::string_view> paths) {
   bool lower_to_proc_scoped_channels =
       ir_converter_options.has_lower_to_proc_scoped_channels()
           ? ir_converter_options.lower_to_proc_scoped_channels()
-          : false;
+          : true;
   bool force_implicit_token_calling_convention =
       ir_converter_options.force_implicit_token_calling_convention();
   bool emit_trace = ir_converter_options.emit_trace();