build: Check for compound literal storage-class support

This lets us use them on GCC >= 13, even before C23.

1 files changed, 6 insertions, 0 deletions

diff --git a/build/has/compound-literal-storage.c b/build/has/compound-literal-storage.c
new file mode 100644
index 0000000..e2281e1
--- /dev/null
+++ b/build/has/compound-literal-storage.c
@@ -0,0 +1,6 @@
+// Copyright © Tavian Barnes <tavianator@tavianator.com>
+// SPDX-License-Identifier: 0BSD
+
+int main(void) {
+	return (static int){0};
+}