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diff gcc/testsuite/g++.dg/warn/Wnonnull-compare-8.C @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/warn/Wnonnull-compare-8.C	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,14 @@
+// PR c++/70295
+// { dg-do compile }
+// { dg-options "-O2 -Wnonnull-compare" }
+
+struct A { A (); virtual ~A (); bool foo (bool); };
+struct B : virtual public A { B (); virtual ~B (); };
+
+bool
+A::foo (bool x)
+{
+  if (x && dynamic_cast<B *>(this) != (B *) 0)	// { dg-bogus "nonnull argument" }
+    return true;
+  return false;
+}