pr31146-2.C: Only do scan-tree-dump for c++14_down.

	* g++.dg/tree-ssa/pr31146-2.C: Only do scan-tree-dump for c++14_down.
	* g++.dg/tree-ssa/pr41428.C: Likewise.
	* g++.dg/expr/bool1.C: Only do dg-do compile instead of dg-do run for
	c++17 and up.
	* g++.dg/expr/bool3.C: Likewise.
	* g++.dg/expr/bitfield5.C: Likewise.
	* g++.old-deja/g++.jason/bool5.C: Likewise.

From-SVN: r252985

gcc/testsuite/ChangeLog

+2017-09-19  Jakub Jelinek  <jakub@redhat.com>
+
+	* g++.dg/tree-ssa/pr31146-2.C: Only do scan-tree-dump for c++14_down.
+	* g++.dg/tree-ssa/pr41428.C: Likewise.
+	* g++.dg/expr/bool1.C: Only do dg-do compile instead of dg-do run for
+	c++17 and up.
+	* g++.dg/expr/bool3.C: Likewise.
+	* g++.dg/expr/bitfield5.C: Likewise.
+	* g++.old-deja/g++.jason/bool5.C: Likewise.
+
 2017-09-18  Martin Sebor  <msebor@redhat.com>
 
 	PR c/81854

gcc/testsuite/g++.dg/expr/bitfield5.C

 // PR c++/30274
-// { dg-do run }
+// { dg-do run { target c++14_down } }
+// { dg-do compile { target c++17 } }
 
 struct S {
   bool x : 4;

gcc/testsuite/g++.dg/expr/bool1.C

-// { dg-do run }
-// PR C++/29295
+// PR c++/29295
+// { dg-do run { target c++14_down } }
+// { dg-do compile { target c++17 } }
 // make sure that a typedef for a bool will have the
 //  the same results as a bool itself.
 

gcc/testsuite/g++.dg/expr/bool3.C

-// { dg-do run }
-// PR C++/29295
+// PR c++/29295
+// { dg-do run { target c++14_down } }
+// { dg-do compile { target c++17 } }
 // make sure that a typedef for a bool will have the
 //  the same results as a bool itself.
 

gcc/testsuite/g++.dg/tree-ssa/pr31146-2.C

@@ -20,4 +20,6 @@ double foo (void)
   return v.a[2];
 }
 
-/* { dg-final { scan-tree-dump "Replaced .* != 0B. with .1" "forwprop1" } } */
+/* -std=c++17 and above doesn't emit operator new () != NULL, so there is
+   nothing to fold anymore.  */
+/* { dg-final { scan-tree-dump "Replaced .* != 0B. with .1" "forwprop1" { target c++14_down } } } */

gcc/testsuite/g++.dg/tree-ssa/pr41428.C

@@ -11,4 +11,6 @@ int foo(void)
   return *(int *)&f;
 }
 
-/* { dg-final { scan-tree-dump "Folded into: if \\\(1 != 0\\\)" "ccp1" } } */
+/* -std=c++17 and above doesn't emit operator new () != NULL, so there is
+   nothing to fold anymore.  */
+/* { dg-final { scan-tree-dump "Folded into: if \\\(1 != 0\\\)" "ccp1" { target c++14_down } } } */

gcc/testsuite/g++.old-deja/g++.jason/bool5.C

-// { dg-do run  }
+// { dg-do run { target c++14_down } }
+// { dg-do compile { target c++17 } }
 int main ()
 {
   bool b = false;