libstdc++: Improve new testcase for std::optional assignment [PR117858]

The copy & paste bug affected two assignment operators, so ensure the
new test covers both.

libstdc++-v3/ChangeLog:

	PR libstdc++/117858
	* testsuite/20_util/optional/assignment/117858.cc: Also test
	assignment from rvalue optional.

diff --git a/libstdc++-v3/testsuite/20_util/optional/assignment/117858.cc b/libstdc++-v3/testsuite/20_util/optional/assignment/117858.cc
index 9443e16048467aff146ae959d3efa7cede9d00d4..e7045b37dd9c9a46433e2b9361e18a11e54cda73 100644 (file)
--- a/libstdc++-v3/testsuite/20_util/optional/assignment/117858.cc
+++ b/libstdc++-v3/testsuite/20_util/optional/assignment/117858.cc
@@ -13,4 +13,5 @@ struct Focus
 void g(std::optional<Focus> f)
 {
   f = f;
+  f = std::move(f);
 }