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-rw-r--r--tapset-mark.cxx3
1 files changed, 3 insertions, 0 deletions
diff --git a/tapset-mark.cxx b/tapset-mark.cxx
index 7544d7bb..4d8679d2 100644
--- a/tapset-mark.cxx
+++ b/tapset-mark.cxx
@@ -175,6 +175,9 @@ mark_var_expanding_visitor::visit_target_symbol (target_symbol* e)
{
assert(e->base_name.size() > 0 && e->base_name[0] == '$');
+ if (e->addressof)
+ throw semantic_error("cannot take address of marker variable", e->tok);
+
if (e->base_name.substr(0,4) == "$arg")
visit_target_symbol_arg (e);
else if (e->base_name == "$format" || e->base_name == "$name")