gccrs: Small fix to the ast collector visitor

The parameter type was used instead of the default value.

gcc/rust/ChangeLog:

	* ast/rust-ast-collector.cc (TokenCollector::visit): Check for presence
	of a type and use the default value instead of the type.

Signed-off-by: Pierre-Emmanuel Patry <pierre-emmanuel.patry@embecosm.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/gcc/rust/ast/rust-ast-collector.cc b/gcc/rust/ast/rust-ast-collector.cc
index dbc3ef2..71cc098 100644
--- a/gcc/rust/ast/rust-ast-collector.cc
+++ b/gcc/rust/ast/rust-ast-collector.cc
@@ -534,11 +534,12 @@ TokenCollector::visit (ConstGenericParam &param)
   auto id = param.get_name ().as_string ();
   push (Rust::Token::make_identifier (UNDEF_LOCATION, std::move (id)));
   push (Rust::Token::make (COLON, UNDEF_LOCATION));
-  visit (param.get_type ());
+  if (param.has_type ())
+    visit (param.get_type ());
   if (param.has_default_value ())
     {
       push (Rust::Token::make (EQUAL, UNDEF_LOCATION));
-      visit (param.get_type ());
+      visit (param.get_default_value ());
     }
 }