Make 3 error messages slightly more informational

Add more context to some internal error messages (ie. not intended for user)

2 files changed, 10 insertions, 6 deletions

diff --git a/gcc/rust/backend/rust-compile-expr.h b/gcc/rust/backend/rust-compile-expr.h
index 59ae815..09652f1 100644
--- a/gcc/rust/backend/rust-compile-expr.h
+++ b/gcc/rust/backend/rust-compile-expr.h
@@ -183,8 +183,10 @@ public:
 	  if (!ctx->get_tyctx ()->lookup_type (
 		expr.get_mappings ().get_hirid (), &tyty))
 	    {
-	      rust_fatal_error (expr.get_locus (),
-				"did not resolve type for this literal expr");
+	      rust_fatal_error (
+		expr.get_locus (),
+		"did not resolve type for this literal expr (HirId %d)",
+		expr.get_mappings ().get_hirid ());
 	      return;
 	    }
 
diff --git a/gcc/rust/typecheck/rust-hir-type-check-type.h b/gcc/rust/typecheck/rust-hir-type-check-type.h
index 70b9cfa..136c0c2 100644
--- a/gcc/rust/typecheck/rust-hir-type-check-type.h
+++ b/gcc/rust/typecheck/rust-hir-type-check-type.h
@@ -118,18 +118,20 @@ public:
   {
     // lookup the Node this resolves to
     NodeId ref;
-    if (!resolver->lookup_resolved_type (path.get_mappings ().get_nodeid (),
-					 &ref))
+    auto nid = path.get_mappings ().get_nodeid ();
+    if (!resolver->lookup_resolved_type (nid, &ref))
       {
 	rust_fatal_error (path.get_locus (),
-			  "Failed to resolve node id to HIR");
+			  "failed to resolve node '%d' to HIR", nid);
 	return;
       }
 
     HirId hir_lookup;
     if (!context->lookup_type_by_node_id (ref, &hir_lookup))
       {
-	rust_error_at (path.get_locus (), "failed to lookup HIR node");
+	rust_error_at (path.get_locus (),
+		       "failed to lookup HIR %d for node '%s'", ref,
+		       path.as_string ().c_str ());
 	return;
       }