compiler: add missing Slice_info_expression::do_traverse

Fixes golang/go#59169

Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/478176

diff --git a/gcc/go/gofrontend/MERGE b/gcc/go/gofrontend/MERGE
index 4a1a4c8c021b550a7e47ac0cc92cb5a81cb5e0a5..8c8025dec2e60f857b636439fac270d09cb21c5c 100644 (file)
--- a/gcc/go/gofrontend/MERGE
+++ b/gcc/go/gofrontend/MERGE
@@ -1,4 +1,4 @@
-8c786f716c58d7973623c2b9293e2ad360877817
+9ffd6e679ff0e3a908d0ec2ed5c6efa1de827c3f
 
 The first line of this file holds the git revision number of the last
 merge done from the gofrontend repository.

diff --git a/gcc/go/gofrontend/expressions.h b/gcc/go/gofrontend/expressions.h
index a1e3733aa1db3e16afc176a40cc819b8d326e867..3d7e78711bdd3c42c92cc7b3ee75ab99cd109328 100644 (file)
--- a/gcc/go/gofrontend/expressions.h
+++ b/gcc/go/gofrontend/expressions.h
@@ -4410,6 +4410,10 @@ class Slice_info_expression : public Expression
   { return this->slice_info_; }
 
  protected:
+  int
+  do_traverse(Traverse* traverse)
+  { return Expression::traverse(&this->slice_, traverse); }
+
   Type*
   do_type();