--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/gcc.c-torture/execute/pr93434.c	Thu Feb 13 11:34:05 2020 +0900
@@ -0,0 +1,36 @@
+typedef struct creal_T {
+  double re;
+  double im;
+} creal_T;
+
+#define N 16
+int main() {
+  int k;
+  int i;
+  int j;
+  creal_T t2[N];
+  double inval;
+
+  inval = 1.0;
+  for (j = 0; j < N; ++j) {
+    t2[j].re = 0;
+    t2[j].im = 0;
+  }
+
+  for (j = 0; j < N/4; j++) {
+    i = j * 4;
+    t2[i].re = inval;
+    t2[i].im = inval;
+    k = i + 3;
+    t2[k].re = inval;
+    t2[k].im = inval;
+    t2[i] = t2[k];
+    t2[k].re = inval;
+  }
+
+  for (i = 0; i < 2; ++i)
+    if (t2[i].re != !i || t2[i].im != !i)
+      __builtin_abort ();
+
+  return 0;
+}