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-rw-r--r--gcc/go/gofrontend/expressions.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/go/gofrontend/expressions.h b/gcc/go/gofrontend/expressions.h
index 4c743da..2e3d1e0 100644
--- a/gcc/go/gofrontend/expressions.h
+++ b/gcc/go/gofrontend/expressions.h
@@ -1670,6 +1670,9 @@ class String_expression : public Expression
do_import(Import_expression*, Location);
protected:
+ int
+ do_traverse(Traverse*);
+
bool
do_is_constant() const
{ return true; }