On platforms with GCC 5.5.0 or 11.3.0, I see this compilation warning:
../../gltests/test-stdalign.c:38:0: warning: "alignas" redefined
This patch fixes it.
2023-01-21 Bruno Haible <br...@clisp.org>
alignasof tests: Fix GCC warning (regression 2023-01-15).
* tests/test-stdalign.c (alignas): Undefine before redefine.
diff --git a/tests/test-stdalign.c b/tests/test-stdalign.c
index c974ca8371..85008e62e4 100644
--- a/tests/test-stdalign.c
+++ b/tests/test-stdalign.c
@@ -35,6 +35,7 @@ typedef struct { char a[4]; } struct4;
limit the test to 8 for now. */
# define TEST_ALIGNMENT 8
#else
+# undef alignas
# define alignas(alignment)
# define TEST_ALIGNMENT 1
#endif
