Synchronize with google/gcc-4_9 to r224707 (from r214835)

Change-Id: I3d6f06fc613c8f8b6a82143dc44b7338483aac5d

1 files changed, 52 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr62031.c b/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr62031.c
new file mode 100644
index 0000000..f0dcef4
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/torture/pr62031.c
@@ -0,0 +1,52 @@
+/* { dg-do run } */
+
+#include <stdlib.h>
+
+#define NUM_OF_STATES 4
+typedef unsigned int entry_t[2];
+typedef struct entries_item { entry_t metricEntries_[0]; } entries_item_t;
+
+void __attribute__((noinline,noclone))
+test_00(size_t numOfStates, entries_item_t* p_bm,
+	const unsigned int* polyArray,
+	size_t polyArraySize)
+{
+  size_t idx;
+  unsigned int hlp0, hlp1;
+  for (idx = 0; idx < numOfStates; ++idx)
+    {
+      size_t idy;
+
+      hlp0 = (idx << 1) | 0x00;
+      hlp1 = (idx << 1) | 0x01;
+      p_bm->metricEntries_[idx][0] = 0;
+      p_bm->metricEntries_[idx][1] = 0;
+      for (idy = 0; idy < polyArraySize; ++idy)
+	{
+	  p_bm->metricEntries_[idx][0]
+	      |= __builtin_parity(hlp0 & polyArray[idy]) << idy;
+	  p_bm->metricEntries_[idx][1]
+	      |= __builtin_parity(hlp1 & polyArray[idy]) << idy;
+	}
+    }
+}
+
+int main()
+{
+  unsigned int polyArray[] = { 0x07, 0x05 };
+  entries_item_t* pBranchMetrics;
+  pBranchMetrics = malloc(sizeof(entry_t) * NUM_OF_STATES);
+  test_00(NUM_OF_STATES, pBranchMetrics, polyArray,
+	  sizeof(polyArray) / sizeof(polyArray[0]));
+  if (pBranchMetrics->metricEntries_[0][0] != 0
+      || pBranchMetrics->metricEntries_[0][1] != 3
+      || pBranchMetrics->metricEntries_[1][0] != 1
+      || pBranchMetrics->metricEntries_[1][1] != 2
+      || pBranchMetrics->metricEntries_[2][0] != 3
+      || pBranchMetrics->metricEntries_[2][1] != 0
+      || pBranchMetrics->metricEntries_[3][0] != 2
+      || pBranchMetrics->metricEntries_[3][1] != 1)
+    abort ();
+  free(pBranchMetrics);
+  return 0;
+}