copy gen spec to avoid sticky changes

1 files changed, 2 insertions, 2 deletions

diff --git a/eval/src/tests/instruction/generic_map/generic_map_test.cpp b/eval/src/tests/instruction/generic_map/generic_map_test.cpp
index 6fe55ffa622..d8203ea135c 100644
--- a/eval/src/tests/instruction/generic_map/generic_map_test.cpp
+++ b/eval/src/tests/instruction/generic_map/generic_map_test.cpp
@@ -42,8 +42,8 @@ TensorSpec perform_generic_map(const TensorSpec &a, map_fun_t func, const ValueB
 }
 
 void test_generic_map_with(const ValueBuilderFactory &factory) {
-    for (auto layout : map_layouts) {
-        for (TensorSpec lhs : { layout.gen(), layout.cells_double().gen() }) {
+    for (const auto &layout : map_layouts) {
+        for (TensorSpec lhs : { layout.gen(), layout.cpy().cells_double().gen() }) {
             for (auto func : {operation::Floor::f, operation::Fabs::f, operation::Square::f, operation::Inv::f}) {
                 SCOPED_TRACE(fmt("\n===\nLHS: %s\n===\n", lhs.to_string().c_str()));
                 auto expect = ReferenceOperations::map(lhs, func);