1 files changed, 42 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/pr21041.c b/gcc/testsuite/gcc.dg/pr21041.c
new file mode 100644
index 000000000..34ed14d1e
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr21041.c
@@ -0,0 +1,42 @@
+
+/* { dg-do compile { target fpic } } */
+/* { dg-options "-O2 -fPIC" } */
+
+struct args
+{
+  short int matrix[8][8];
+  char **current;
+};
+
+int test (struct args *args, char *init, int a, int b)
+{
+  int i, j, k;
+
+  if (!args || a > b || a < 0)
+    return -1;
+
+  for (i = 0; i < 2; i++)
+    {
+      char *dest = *args->current;
+      char *p = dest;
+
+      for (j = 0; j < 8; j++)
+        *p++ = *init++;
+
+      for (k = 0; k < 8; k++)
+        {
+          short int *blockvals = &args->matrix[k][0];
+          dest[0] += blockvals[0];
+          dest[1] += blockvals[1];
+          dest[2] += blockvals[2];
+          dest[3] += blockvals[3];
+          dest[4] += blockvals[4];
+          dest[5] += blockvals[5];
+          dest[6] += blockvals[6];
+          dest[7] += blockvals[7];
+       }
+    }
+
+  return 1;
+}
+