1 files changed, 47 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/torture/pr48702.c b/gcc/testsuite/gcc.dg/torture/pr48702.c
new file mode 100644
index 000000000..1ec371da8
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/torture/pr48702.c
@@ -0,0 +1,47 @@
+/* { dg-do run } */
+
+extern void abort (void);
+
+#define LEN 4
+
+static inline void unpack(int  array[LEN])
+{
+  int ii, val;
+  val = 1;
+  for (ii = 0; ii < LEN; ii++) {
+      array[ii] = val % 2;
+      val = val / 2;
+  }
+}
+
+static inline int  pack(int  array[LEN])
+{
+  int ans, ii;
+  ans = 0;
+  for (ii = LEN-1; ii >= 0; ii--) {
+      ans = 2 * ans + array[ii];
+  }
+  return ans;
+}
+
+int __attribute__((noinline))
+foo()
+{
+  int temp, ans;
+  int array[LEN];
+  unpack(array);
+  temp = array[0];
+  array[0] = array[2];
+  array[2] = temp;
+  ans = pack(array);
+  return ans;
+}
+
+int main(void)
+{
+  int val;
+  val = foo();
+  if (val != 4)
+    abort ();
+  return 0;
+}