This issues has been fixed by
r14-9540-ge0e9499a in PR114151. Tested on
aarch64-linux-gnu.
gcc/testsuite/ChangeLog:
PR tree-optimization/114322
* gcc.dg/vect/pr114322.c: New testcase.
--- /dev/null
+/* PR tree-optimization/114322 */
+/* { dg-do compile } */
+/* { dg-require-effective-target vect_int } */
+
+int
+foo (int *A, int *B, int x, int stride)
+{
+ int sum = 0;
+
+ if (stride > 1)
+ {
+ for (int i = 0; i < 1024; ++i)
+ sum += A[(i + x) * stride] + B[i];
+ }
+
+ return sum;
+}
+
+/* { dg-final { scan-tree-dump-not "failed: evolution of base is not affine." "vect" } } */
+/* { dg-final { scan-tree-dump "LOOP VECTORIZED" "vect" } } */