1 files changed, 29 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/pr26587.c b/gcc/testsuite/gcc.dg/torture/pr26587.c
new file mode 100644
index 000000000..ad5d60f3a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr26587.c
@@ -0,0 +1,29 @@
+/* { dg-do run } */
+/* { dg-require-effective-target int32plus } */
+
+extern void abort(void);
+typedef unsigned int BF_word;
+typedef BF_word BF_key[16 + 2];
+static struct {
+    BF_key P;
+} BF_current;
+int main(void)
+{   
+    BF_word L;
+    BF_word tmp4, *ptr;
+    BF_word i;
+    for (i = 0; i < 16 + 2; i++)
+        BF_current.P[i] = i * 0x98765432;
+    L = 0;
+    ptr = BF_current.P;
+    do {
+        ptr += 2;
+        L ^= BF_current.P[0];
+        tmp4 = L >> 24;
+        L = tmp4 ^ BF_current.P[16 + 1];
+        *(ptr - 2) = L;
+    } while (ptr < &BF_current.P[16 + 2]);
+    if (L != 0x1fdb9752)
+        abort();
+    return 0;
+}