1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/pr69170.c b/gcc/testsuite/gcc.dg/torture/pr69170.c
new file mode 100644
index 00000000000..2af0bde7dad
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr69170.c
@@ -0,0 +1,18 @@
+/* { dg-do compile } */
+
+typedef long sha2_word_t;
+typedef struct {
+    sha2_word_t length_upper, length_lower;
+    char buf[];
+} hash_state;
+int a;
+hash_state b;
+void fn1()
+{
+  a = 0;
+  for (; a < 8; a++)
+    b.buf[a + 1024 / 8] = b.length_upper >> (1 - a) * 5;
+  a = 0;
+  for (; a < 8; a++)
+    b.buf[a + 1024 / 8 + 8] = b.length_lower >> (1 - a) * 5;
+}