nr2.0: Set the node id of the root node

gcc/rust/ChangeLog:

	* resolve/rust-forever-stack.h
	(ForeverStack::ForeverStack): Set the node id of the root node
	to that of the current crate.
	* resolve/rust-forever-stack.hxx
	(ForeverStack::find_starting_point): Use the node id of the root
	node during resolution of crate segments.

gcc/testsuite/ChangeLog:

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

Signed-off-by: Owen Avery <powerboat9.gamer@gmail.com>

gcc/rust/resolve/rust-forever-stack.h

@@ -547,13 +547,16 @@ template <Namespace N> class ForeverStack
 {
 public:
   ForeverStack ()
-    // FIXME: Is that valid? Do we use the root? If yes, we should give the
-    // crate's node id to ForeverStack's constructor
     : root (Node (Rib (Rib::Kind::Normal), UNKNOWN_NODEID)),
       cursor_reference (root)
   {
     rust_assert (root.is_root ());
     rust_assert (root.is_leaf ());
+
+    // TODO: Should we be using the forever stack root as the crate scope?
+    // TODO: Is this how we should be getting the crate node id?
+    auto &mappings = Analysis::Mappings::get ();
+    root.id = *mappings.crate_num_to_nodeid (mappings.get_current_crate ());
   }
 
   /**

gcc/rust/resolve/rust-forever-stack.hxx

@@ -401,12 +401,7 @@ ForeverStack<N>::find_starting_point (
       if (seg.is_crate_path_seg ())
 	{
 	  starting_point = root;
-	  // TODO: is this how we should be getting the crate node id?
-	  auto &mappings = Analysis::Mappings::get ();
-	  NodeId current_crate
-	    = *mappings.crate_num_to_nodeid (mappings.get_current_crate ());
-
-	  insert_segment_resolution (outer_seg, current_crate);
+	  insert_segment_resolution (outer_seg, starting_point.get ().id);
 	  iterator++;
 	  break;
 	}

gcc/testsuite/rust/compile/nr2/exclude

@@ -1,7 +1,6 @@
 break-rust2.rs
 canonical_paths1.rs
 cfg1.rs
-complex-path1.rs
 const_generics_3.rs
 const_generics_4.rs
 feature_rust_attri0.rs
@@ -29,7 +28,6 @@ pub_restricted_2.rs
 pub_restricted_3.rs
 redef_error2.rs
 redef_error5.rs
-self-path1.rs
 self-path2.rs
 sizeof-stray-infer-var-bug.rs
 struct-expr-parse.rs