--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/plugin/self-assign-test-2.C	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,50 @@
+// Test the self-assignemnt detection plugin without checking of operator-eq.
+// { dg-do compile }
+// { dg-options "-O -fplugin-arg-selfassign-no-check-operator-eq" }
+
+class Foo {
+ private:
+  int a_;
+
+ public:
+  Foo() : a_(a_) {} // { dg-warning "assigned to itself" }
+
+  void setA(int a) {
+    a_ = a_; // { dg-warning "assigned to itself" }
+  }
+
+  void operator=(Foo& rhs) {
+    this->a_ = rhs.a_;
+  }
+};
+
+struct Bar {
+  int b_;
+  int c_;
+};
+
+int g = g; // { dg-warning "assigned to itself" }
+Foo foo = foo; // { dg-warning "assigned to itself" }
+
+int func()
+{
+  Bar *bar1, bar2;
+  Foo local_foo;
+  int x = x; // { dg-warning "assigned to itself" }
+  static int y = y; // { dg-warning "assigned to itself" }
+  float *f;
+  Bar bar_array[5];
+  char n;
+  int overflow;
+
+  *f = *f; // { dg-warning "assigned to itself" }
+  bar1->b_ = bar1->b_; // { dg-warning "assigned to itself" }
+  bar2.c_ = bar2.c_; // { dg-warning "assigned to itself" }
+  local_foo = local_foo; // { dg-bogus "assigned to itself" }
+  foo = foo; // { dg-bogus "assigned to itself" }
+  foo.setA(5);
+  bar_array[3].c_ = bar_array[3].c_; // { dg-warning "assigned to itself" }
+  bar_array[x+g].b_ = bar_array[x+g].b_; // { dg-warning "self-assignment detected" "" { xfail *-*-* } }
+  y = x;
+  x = y;
+}