re PR c++/72809 (ICE on x86_64-linux-gnu (Segmentation fault, tree_check))

	PR c++/72809
	* rtti.c (get_pseudo_ti_index): Return TK_CLASS_TYPE for
	builtin aggregate types without TYPE_BINFO.

	* g++.dg/eh/stdarg1.C: New test.

From-SVN: r239272

gcc/cp/ChangeLog

+2016-08-09  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/72809
+	* rtti.c (get_pseudo_ti_index): Return TK_CLASS_TYPE for
+	builtin aggregate types without TYPE_BINFO.
+
 2016-08-08  Jason Merrill  <jason@redhat.com>
 
 	Implement C++17 constexpr lambda.

gcc/cp/rtti.c

@@ -1293,7 +1293,8 @@ get_pseudo_ti_index (tree type)
 	  ix = TK_CLASS_TYPE;
 	  break;
 	}
-      else if (!BINFO_N_BASE_BINFOS (TYPE_BINFO (type)))
+      else if (!TYPE_BINFO (type)
+	       || !BINFO_N_BASE_BINFOS (TYPE_BINFO (type)))
 	{
 	  ix = TK_CLASS_TYPE;
 	  break;

gcc/testsuite/ChangeLog

+2016-08-09  Jakub Jelinek  <jakub@redhat.com>
+
+	PR c++/72809
+	* g++.dg/eh/stdarg1.C: New test.
+
 2016-08-08  Andi Kleen  <ak@linux.intel.com>
 
 	* lib/profopt.exp: (auto-profopt-execute): Don't include full

gcc/testsuite/g++.dg/eh/stdarg1.C

+// PR c++/72809
+// { dg-do compile }
+
+#include <stdarg.h>
+
+int
+foo (int a, ...)
+{
+  va_list ap;
+  int r = 0;
+  va_start (ap, a);
+  try
+    {
+      if (a == 1)
+	throw (ap);
+    }
+  catch (va_list b)
+    {
+      r = va_arg (b, int);
+    }
+  va_end (ap);
+  return r;
+}
+
+int
+main ()
+{
+  if (foo (0) != 0 || foo (1, 7) != 7)
+    __builtin_abort ();
+}