Add -fdelete-null-pointer-checks to some C++ testcases.

These testcases were failing on nios2-elf, which defaults to
-fno-delete-null-pointer-checks.

2020-01-24  Sandra Loosemore  <sandra@codesourcery.com>

	gcc/testsuite/
	* g++.dg/cpp0x/constexpr-odr1.C: Add -fdelete-null-pointer-checks.
	* g++.dg/cpp0x/constexpr-odr2.C: Likewise.
	* g++.dg/cpp0x/nontype4.C: Likewise.
	* g++.dg/cpp1y/constexpr-new.C: Likewise.
	* g++.dg/cpp1y/new1.C: Likewise.
	* g++.dg/cpp1y/new2.C: Likewise.
	* g++.dg/cpp2a/constexpr-dynamic11.C: Likewise.
	* g++.dg/cpp2a/constexpr-dynamic17.C: Likewise.
	* g++.dg/cpp2a/constexpr-dynamic4.C: Likewise.
	* g++.dg/cpp2a/constexpr-new1.C: Likewise.
	* g++.dg/cpp2a/constexpr-new10.C: Likewise.
	* g++.dg/cpp2a/constexpr-new2.C: Likewise.
	* g++.dg/cpp2a/constexpr-new3.C: Likewise.
	* g++.dg/cpp2a/constexpr-new4.C: Likewise.
	* g++.dg/cpp2a/constexpr-new8.C: Likewise.
	* g++.dg/cpp2a/constexpr-new9.C: Likewise.
	* g++.dg/cpp2a/nontype-class1.C: Likewise.

18 files changed, 37 insertions, 0 deletions

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index ed277a4..7c6b4cd 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,23 @@
+2020-01-24  Sandra Loosemore  <sandra@codesourcery.com>
+
+	* g++.dg/cpp0x/constexpr-odr1.C: Add -fdelete-null-pointer-checks.
+	* g++.dg/cpp0x/constexpr-odr2.C: Likewise.
+	* g++.dg/cpp0x/nontype4.C: Likewise.
+	* g++.dg/cpp1y/constexpr-new.C: Likewise.
+	* g++.dg/cpp1y/new1.C: Likewise.
+	* g++.dg/cpp1y/new2.C: Likewise.
+	* g++.dg/cpp2a/constexpr-dynamic11.C: Likewise.
+	* g++.dg/cpp2a/constexpr-dynamic17.C: Likewise.
+	* g++.dg/cpp2a/constexpr-dynamic4.C: Likewise.
+	* g++.dg/cpp2a/constexpr-new1.C: Likewise.
+	* g++.dg/cpp2a/constexpr-new10.C: Likewise.
+	* g++.dg/cpp2a/constexpr-new2.C: Likewise.
+	* g++.dg/cpp2a/constexpr-new3.C: Likewise.
+	* g++.dg/cpp2a/constexpr-new4.C: Likewise.
+	* g++.dg/cpp2a/constexpr-new8.C: Likewise.
+	* g++.dg/cpp2a/constexpr-new9.C: Likewise.
+	* g++.dg/cpp2a/nontype-class1.C: Likewise.
+
 2020-01-24  Jason Merrill  <jason@redhat.com>
 
 	* lib/target-supports.exp (check_effective_target_unsigned_char):
diff --git a/gcc/testsuite/g++.dg/cpp0x/constexpr-odr1.C b/gcc/testsuite/g++.dg/cpp0x/constexpr-odr1.C
index cf3f95f..d00baae 100644
--- a/gcc/testsuite/g++.dg/cpp0x/constexpr-odr1.C
+++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-odr1.C
@@ -1,5 +1,6 @@
 // PR c++/92062 - ODR-use ignored for static member of class template.
 // { dg-do run { target c++11 } }
+// { dg-additional-options "-fdelete-null-pointer-checks" }
 
 template<int> struct A {
   static const bool x;
diff --git a/gcc/testsuite/g++.dg/cpp0x/constexpr-odr2.C b/gcc/testsuite/g++.dg/cpp0x/constexpr-odr2.C
index 0927488..dd569a9 100644
--- a/gcc/testsuite/g++.dg/cpp0x/constexpr-odr2.C
+++ b/gcc/testsuite/g++.dg/cpp0x/constexpr-odr2.C
@@ -1,5 +1,6 @@
 // PR c++/92062 - ODR-use ignored for static member of class template.
 // { dg-do run { target c++11 } }
+// { dg-additional-options "-fdelete-null-pointer-checks" }
 
 template<int> struct A {
   static const bool x;
diff --git a/gcc/testsuite/g++.dg/cpp0x/nontype4.C b/gcc/testsuite/g++.dg/cpp0x/nontype4.C
index 2c552d0..b6a1ae7 100644
--- a/gcc/testsuite/g++.dg/cpp0x/nontype4.C
+++ b/gcc/testsuite/g++.dg/cpp0x/nontype4.C
@@ -1,5 +1,6 @@
 // PR c++/56428
 // { dg-do compile { target c++11 } }
+// { dg-additional-options "-fdelete-null-pointer-checks" }
 
 struct A { };
 
diff --git a/gcc/testsuite/g++.dg/cpp1y/constexpr-new.C b/gcc/testsuite/g++.dg/cpp1y/constexpr-new.C
index 6316ff2..d0ca0b7 100644
--- a/gcc/testsuite/g++.dg/cpp1y/constexpr-new.C
+++ b/gcc/testsuite/g++.dg/cpp1y/constexpr-new.C
@@ -1,4 +1,5 @@
 // { dg-do compile { target c++14 } }
+// { dg-additional-options "-fdelete-null-pointer-checks" }
 
 constexpr int *f4(bool b) {
   if (b) {
diff --git a/gcc/testsuite/g++.dg/cpp1y/new1.C b/gcc/testsuite/g++.dg/cpp1y/new1.C
index b9ad64d..7016951 100644
--- a/gcc/testsuite/g++.dg/cpp1y/new1.C
+++ b/gcc/testsuite/g++.dg/cpp1y/new1.C
@@ -1,5 +1,6 @@
 /* { dg-do compile } */
 /* { dg-options "-O2 -fdump-tree-cddce-details" } */
+// { dg-additional-options "-fdelete-null-pointer-checks" }
 
 #include <stdlib.h>
 
diff --git a/gcc/testsuite/g++.dg/cpp1y/new2.C b/gcc/testsuite/g++.dg/cpp1y/new2.C
index 926e796..97f4001 100644
--- a/gcc/testsuite/g++.dg/cpp1y/new2.C
+++ b/gcc/testsuite/g++.dg/cpp1y/new2.C
@@ -1,5 +1,6 @@
 /* { dg-do compile } */
 /* { dg-options "-O2 -std=c++17 -fdump-tree-cddce-details" } */
+/* { dg-additional-options "-fdelete-null-pointer-checks" } */
 
 #include <cstdio>
 #include <cstdlib>
diff --git a/gcc/testsuite/g++.dg/cpp2a/constexpr-dynamic11.C b/gcc/testsuite/g++.dg/cpp2a/constexpr-dynamic11.C
index 6069fbf..8dfa03a 100644
--- a/gcc/testsuite/g++.dg/cpp2a/constexpr-dynamic11.C
+++ b/gcc/testsuite/g++.dg/cpp2a/constexpr-dynamic11.C
@@ -1,5 +1,6 @@
 // PR c++/88337 - Implement P1327R1: Allow dynamic_cast/typeid in constexpr.
 // { dg-do compile { target c++2a } }
+// { dg-additional-options "-fdelete-null-pointer-checks" }
 
 // dynamic_cast in a constructor.
 // [class.cdtor]#6: "If the operand of the dynamic_cast refers to the object
diff --git a/gcc/testsuite/g++.dg/cpp2a/constexpr-dynamic17.C b/gcc/testsuite/g++.dg/cpp2a/constexpr-dynamic17.C
index 6b443d2..c574e75 100644
--- a/gcc/testsuite/g++.dg/cpp2a/constexpr-dynamic17.C
+++ b/gcc/testsuite/g++.dg/cpp2a/constexpr-dynamic17.C
@@ -1,5 +1,6 @@
 // PR c++/88337 - Implement P1327R1: Allow dynamic_cast/typeid in constexpr.
 // { dg-do compile { target c++2a } }
+// { dg-additional-options "-fdelete-null-pointer-checks" }
 
 // dynamic_cast in a constructor.
 // [class.cdtor]#6: "If the operand of the dynamic_cast refers to the object
diff --git a/gcc/testsuite/g++.dg/cpp2a/constexpr-dynamic4.C b/gcc/testsuite/g++.dg/cpp2a/constexpr-dynamic4.C
index 3adc524..6f42d20 100644
--- a/gcc/testsuite/g++.dg/cpp2a/constexpr-dynamic4.C
+++ b/gcc/testsuite/g++.dg/cpp2a/constexpr-dynamic4.C
@@ -1,5 +1,6 @@
 // PR c++/88337 - Implement P1327R1: Allow dynamic_cast/typeid in constexpr.
 // { dg-do compile { target c++2a } }
+// { dg-additional-options "-fdelete-null-pointer-checks" }
 
 // From clang's constant-expression-cxx2a.cpp.
 
diff --git a/gcc/testsuite/g++.dg/cpp2a/constexpr-new1.C b/gcc/testsuite/g++.dg/cpp2a/constexpr-new1.C
index 873edd4..5d1b7ef 100644
--- a/gcc/testsuite/g++.dg/cpp2a/constexpr-new1.C
+++ b/gcc/testsuite/g++.dg/cpp2a/constexpr-new1.C
@@ -1,5 +1,6 @@
 // P0784R7
 // { dg-do compile { target c++2a } }
+// { dg-additional-options "-fdelete-null-pointer-checks" }
 
 struct S { constexpr S () : s (5) {} constexpr S (int x) : s (x) {} int s; };
 
diff --git a/gcc/testsuite/g++.dg/cpp2a/constexpr-new10.C b/gcc/testsuite/g++.dg/cpp2a/constexpr-new10.C
index 500a324..bc5e6e5 100644
--- a/gcc/testsuite/g++.dg/cpp2a/constexpr-new10.C
+++ b/gcc/testsuite/g++.dg/cpp2a/constexpr-new10.C
@@ -1,5 +1,6 @@
 // PR c++/91369
 // { dg-do compile { target c++2a } }
+// { dg-additional-options "-fdelete-null-pointer-checks" }
 
 struct S {
   constexpr S (int* i) : s{i} {}
diff --git a/gcc/testsuite/g++.dg/cpp2a/constexpr-new2.C b/gcc/testsuite/g++.dg/cpp2a/constexpr-new2.C
index be54962..d3733e8 100644
--- a/gcc/testsuite/g++.dg/cpp2a/constexpr-new2.C
+++ b/gcc/testsuite/g++.dg/cpp2a/constexpr-new2.C
@@ -1,5 +1,6 @@
 // P0784R7
 // { dg-do compile { target c++2a } }
+// { dg-additional-options "-fdelete-null-pointer-checks" }
 
 template <int N>
 constexpr bool
diff --git a/gcc/testsuite/g++.dg/cpp2a/constexpr-new3.C b/gcc/testsuite/g++.dg/cpp2a/constexpr-new3.C
index 3380df7..6e7880a 100644
--- a/gcc/testsuite/g++.dg/cpp2a/constexpr-new3.C
+++ b/gcc/testsuite/g++.dg/cpp2a/constexpr-new3.C
@@ -1,5 +1,6 @@
 // P0784R7
 // { dg-do compile { target c++2a } }
+// { dg-additional-options "-fdelete-null-pointer-checks" }
 
 constexpr int *
 f1 ()
diff --git a/gcc/testsuite/g++.dg/cpp2a/constexpr-new4.C b/gcc/testsuite/g++.dg/cpp2a/constexpr-new4.C
index 6cac983..b9bd5ea 100644
--- a/gcc/testsuite/g++.dg/cpp2a/constexpr-new4.C
+++ b/gcc/testsuite/g++.dg/cpp2a/constexpr-new4.C
@@ -1,5 +1,6 @@
 // P0784R7
 // { dg-do compile { target c++2a } }
+// { dg-additional-options "-fdelete-null-pointer-checks" }
 
 struct S
 {
diff --git a/gcc/testsuite/g++.dg/cpp2a/constexpr-new8.C b/gcc/testsuite/g++.dg/cpp2a/constexpr-new8.C
index c9c852d..f13da10 100644
--- a/gcc/testsuite/g++.dg/cpp2a/constexpr-new8.C
+++ b/gcc/testsuite/g++.dg/cpp2a/constexpr-new8.C
@@ -1,5 +1,6 @@
 // PR c++/91369
 // { dg-do compile { target c++2a } }
+// { dg-additional-options "-fdelete-null-pointer-checks" }
 
 struct A {
   constexpr A () : p{new int} {}
diff --git a/gcc/testsuite/g++.dg/cpp2a/constexpr-new9.C b/gcc/testsuite/g++.dg/cpp2a/constexpr-new9.C
index 552d3c1..f99f080 100644
--- a/gcc/testsuite/g++.dg/cpp2a/constexpr-new9.C
+++ b/gcc/testsuite/g++.dg/cpp2a/constexpr-new9.C
@@ -1,5 +1,6 @@
 // PR c++/91369
 // { dg-do compile { target c++2a } }
+// { dg-additional-options "-fdelete-null-pointer-checks" }
 
 struct S {
   constexpr S (int *i) : i{i} {}
diff --git a/gcc/testsuite/g++.dg/cpp2a/nontype-class1.C b/gcc/testsuite/g++.dg/cpp2a/nontype-class1.C
index 0c0b94d..a3334fc 100644
--- a/gcc/testsuite/g++.dg/cpp2a/nontype-class1.C
+++ b/gcc/testsuite/g++.dg/cpp2a/nontype-class1.C
@@ -1,4 +1,5 @@
 // { dg-do compile { target c++2a } }
+// { dg-additional-options "-fdelete-null-pointer-checks" }
 
 struct A
 {