1 files changed, 14 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr43971.c b/gcc/testsuite/gcc.dg/pr43971.c
new file mode 100644
index 000000000..9091fc273
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr43971.c
@@ -0,0 +1,14 @@
+/* { dg-do compile } */
+/* { dg-options "-Os -fno-delete-null-pointer-checks" } */
+
+union ktime {
+    long tv64;
+};
+typedef union ktime ktime_t;
+ktime_t
+do_one_initcall(ktime_t rettime, ktime_t calltime)
+{
+    ktime_t delta;
+    delta = ({ (ktime_t){ .tv64 = (rettime).tv64 - (calltime).tv64 }; });
+    return delta;
+}