Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 145 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/g++.dg/ext/va-arg-pack-1.C b/gcc-4.9/gcc/testsuite/g++.dg/ext/va-arg-pack-1.C
new file mode 100644
index 000000000..b81d0e58d
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/g++.dg/ext/va-arg-pack-1.C
@@ -0,0 +1,145 @@
+// __builtin_va_arg_pack () builtin tests.
+// { dg-do run }
+// { dg-options "-O2" }
+
+#include <stdarg.h>
+
+extern "C" void abort (void);
+
+int v1 = 8;
+long int v2 = 3;
+void *v3 = (void *) &v2;
+struct A { char c[16]; } v4 = { "foo" };
+long double v5 = 40;
+char seen[20];
+int cnt;
+
+__attribute__ ((noinline)) int
+foo1 (int x, int y, ...)
+{
+  int i;
+  long int l;
+  void *v;
+  struct A a;
+  long double ld;
+  va_list ap;
+
+  va_start (ap, y);
+  if (x < 0 || x >= 20 || seen[x])
+    abort ();
+  seen[x] = ++cnt;
+  if (y != 6)
+    abort ();
+  i = va_arg (ap, int);
+  if (i != 5)
+    abort ();
+  switch (x)
+    {
+    case 0:
+      i = va_arg (ap, int);
+      if (i != 9 || v1 != 9)
+	abort ();
+      a = va_arg (ap, struct A);
+      if (__builtin_memcmp (a.c, v4.c, sizeof (a.c)) != 0)
+	abort ();
+      v = (void *) va_arg (ap, struct A *);
+      if (v != (void *) &v4)
+	abort ();
+      l = va_arg (ap, long int);
+      if (l != 3 || v2 != 4)
+	abort ();
+      break;
+    case 1:
+      ld = va_arg (ap, long double);
+      if (ld != 41 || v5 != ld)
+	abort ();
+      i = va_arg (ap, int);
+      if (i != 8)
+	abort ();
+      v = va_arg (ap, void *);
+      if (v != &v2)
+	abort ();
+      break;
+    case 2:
+      break;
+    default:
+      abort ();
+    }
+  va_end (ap);
+  return x;
+}
+
+__attribute__ ((noinline)) int
+foo2 (int x, int y, ...)
+{
+  long long int ll;
+  void *v;
+  struct A a, b;
+  long double ld;
+  va_list ap;
+
+  va_start (ap, y);
+  if (x < 0 || x >= 20 || seen[x])
+    abort ();
+  seen[x] = ++cnt | 64;
+  if (y != 10)
+    abort ();
+  switch (x)
+    {
+    case 11:
+      break;
+    case 12:
+      ld = va_arg (ap, long double);
+      if (ld != 41 || v5 != 40)
+	abort ();
+      a = va_arg (ap, struct A);
+      if (__builtin_memcmp (a.c, v4.c, sizeof (a.c)) != 0)
+	abort ();
+      b = va_arg (ap, struct A);
+      if (__builtin_memcmp (b.c, v4.c, sizeof (b.c)) != 0)
+	abort ();
+      v = va_arg (ap, void *);
+      if (v != &v2)
+	abort ();
+      ll = va_arg (ap, long long int);
+      if (ll != 16LL)
+	abort ();
+      break;
+    case 2:
+      break;
+    default:
+      abort ();
+    }
+  va_end (ap);
+  return x + 8;
+}
+
+__attribute__ ((noinline)) int
+foo3 (void)
+{
+  return 6;
+}
+
+extern inline __attribute__ ((always_inline, gnu_inline)) int
+bar (int x, ...)
+{
+  if (x < 10)
+    return foo1 (x, foo3 (), 5, __builtin_va_arg_pack ());
+  return foo2 (x, foo3 () + 4, __builtin_va_arg_pack ());
+}
+
+int
+main (void)
+{
+  if (bar (0, ++v1, v4, &v4, v2++) != 0)
+    abort ();
+  if (bar (1, ++v5, 8, v3) != 1)
+    abort ();
+  if (bar (2) != 2)
+    abort ();
+  if (bar (v1 + 2) != 19)
+    abort ();
+  if (bar (v1 + 3, v5--, v4, v4, v3, 16LL) != 20)
+    abort ();
+  return 0;
+}