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-rw-r--r--gcc/go/go-gcc.cc7
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/go/go-gcc.cc b/gcc/go/go-gcc.cc
index 7b4b2ad..1ba7206 100644
--- a/gcc/go/go-gcc.cc
+++ b/gcc/go/go-gcc.cc
@@ -1707,6 +1707,13 @@ Gcc_backend::struct_field_expression(Bexpression* bstruct, size_t index,
if (struct_tree == error_mark_node
|| TREE_TYPE(struct_tree) == error_mark_node)
return this->error_expression();
+
+ // A function call that returns a zero-sized object will have been
+ // changed to return void. A zero-sized object can have a
+ // (zero-sized) field, so support that case.
+ if (TREE_TYPE(struct_tree) == void_type_node)
+ return bstruct;
+
gcc_assert(TREE_CODE(TREE_TYPE(struct_tree)) == RECORD_TYPE);
tree field = TYPE_FIELDS(TREE_TYPE(struct_tree));
if (field == NULL_TREE)