gcc/testsuite/gcc.dg/pr58463.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 gcc/testsuite/gcc.dg/pr58463.c

diff --git a/gcc/testsuite/gcc.dg/pr58463.c b/gcc/testsuite/gcc.dg/pr58463.c
new file mode 100644
index 0000000..e2b4411
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr58463.c
@@ -0,0 +1,15 @@
+/* { dg-do compile } */
+/* { dg-options "-fdump-tree-ealias-details -O2" } */
+
+typedef struct
+{
+  int data16;
+}
+list_data;
+void
+fn1 (list_data * p1)
+{
+    p1->data16 = p1->data16 & 1 & p1->data16 >> 1;
+}
+
+/* { dg-final { cleanup-tree-dump "ealias" } } */
-- 
1.8.1.3