Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 68 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/g++.dg/init/new39.C b/gcc-4.9/gcc/testsuite/g++.dg/init/new39.C
new file mode 100644
index 000000000..f274ebb7b
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/init/new39.C
@@ -0,0 +1,68 @@
+// Testcase for overflow handling in operator new[].
+// { dg-do run }
+
+#include <stdlib.h>
+#include <stdexcept>
+
+struct without_new {
+  char bar[256];
+};
+
+struct with_new {
+  char bar[256];
+  void *operator new[] (size_t sz)
+  {
+    if (sz != -1)
+      abort ();
+    throw std::bad_alloc();
+  }
+};
+
+template <typename T>
+inline void
+test (size_t s)
+{
+  try {
+    new T[s];
+    abort ();
+  } catch (std::bad_alloc &) {
+  }
+}
+
+template <typename T>
+void
+test_noopt (size_t s) __attribute__((noinline));
+
+template <typename T>
+void
+test_noopt (size_t s)
+{
+  __asm__ ("");
+  test<T> (s);
+}
+
+template <typename T>
+void
+all_tests ()
+{
+  test<T>(-1);
+  test<T>(size_t(-1) / sizeof (T) + 1);
+  test<T>(size_t(-1) / sizeof (T) + 2);
+  test_noopt<T>(-1);
+  test_noopt<T>(size_t(-1) / sizeof (T) + 1);
+  test_noopt<T>(size_t(-1) / sizeof (T) + 2);
+}
+
+int
+main ()
+{
+  try {
+    ::operator new(size_t(-1));
+    abort ();
+  } catch (std::bad_alloc &) {
+  }
+  all_tests<without_new> ();
+  all_tests<with_new> ();
+  return 0;
+}
+