re PR testsuite/80416 (FAIL: g++.dg/torture/pr79671.C -O2 execution test)

2017-04-13  Richard Biener  <rguenther@suse.de>

	PR testsuite/80416
	* g++.dg/torture/pr79671.C: Fix asm constraints.

From-SVN: r246902

gcc/testsuite/ChangeLog

+2017-04-13  Richard Biener  <rguenther@suse.de>
+
+	PR testsuite/80416
+	* g++.dg/torture/pr79671.C: Fix asm constraints.
+
 2017-04-13  Jakub Jelinek  <jakub@redhat.com>
 
 	PR debug/80321

gcc/testsuite/g++.dg/torture/pr79671.C

@@ -13,7 +13,7 @@ int __attribute__((noinline)) foo()
   new (&x) B (0);
   y = x;
   B *q = reinterpret_cast <B *>(&y);
-  asm volatile ("" : "=r" (q) : "r" (q));
+  asm volatile ("" : "=r" (q) : "0" (q));
   return q->i;
 }