nr2.0: Run a final TopLevel pass after desugaring

gcc/rust/ChangeLog:

	* rust-session-manager.cc (Session::compile_crate): Run another
	TopLevel pass after desugaring, as desugaring may add new
	definitions.

gcc/testsuite/ChangeLog:

	* rust/compile/nr2/exclude: Remove entries.

Signed-off-by: Owen Avery <[email protected]>

Author: powerboat9

gcc/rust/rust-session-manager.cc

@@ -622,6 +622,14 @@ Session::compile_crate (const char *filename)
   AST::DesugarQuestionMark ().go (parsed_crate);
   AST::DesugarApit ().go (parsed_crate);
 
+  // HACK: run a final toplevel pass
+  // since desugaring may have added definitions
+  if (!saw_errors () && flag_name_resolution_2_0)
+    {
+      Resolver2_0::TopLevel toplevel (name_resolution_ctx);
+      toplevel.go (parsed_crate);
+    }
+
   rust_debug ("\033[0;31mSUCCESSFULLY FINISHED EXPANSION \033[0m");
   if (options.dump_option_enabled (CompileOptions::EXPANSION_DUMP))
     {

gcc/testsuite/rust/compile/nr2/exclude

@@ -10,8 +10,4 @@ torture/alt_patterns1.rs
 torture/name_resolve1.rs
 issue-3671.rs
 issue-3652.rs
-issue-1487.rs
-issue-2015.rs
-issue-3454.rs
-impl_trait_generic_arg.rs
 # please don't delete the trailing newline