Relax Debug Mode assertions on operator-> for smart pointers.

	* include/bits/shared_ptr_base.h (__shared_ptr::operator->): Change
	_GLIBCXX_DEBUG_ASSERT to _GLIBCXX_DEBUG_PEDASSERT.
	* include/bits/unique_ptr.h (unique_ptr::operator->): Likewise.
	* testsuite/20_util/shared_ptr/observers/get.cc: Test operator-> on
	empty shared_ptr.

From-SVN: r227524

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 91e3c35..91d2957 100644 (file)
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,5 +1,11 @@
 2015-09-07  Jonathan Wakely  <jwakely@redhat.com>
 
+       * include/bits/shared_ptr_base.h (__shared_ptr::operator->): Change
+       _GLIBCXX_DEBUG_ASSERT to _GLIBCXX_DEBUG_PEDASSERT.
+       * include/bits/unique_ptr.h (unique_ptr::operator->): Likewise.
+       * testsuite/20_util/shared_ptr/observers/get.cc: Test operator-> on
+       empty shared_ptr.
+
        * include/bits/regex_compiler.h (_BracketMatcher::_M_is_ready):
        Initialize using NSDMI and set using _GLIBCXX_DEBUG_ONLY.
 

diff --git a/libstdc++-v3/include/bits/shared_ptr_base.h b/libstdc++-v3/include/bits/shared_ptr_base.h
index f2f577b..75f1a0d 100644 (file)
--- a/libstdc++-v3/include/bits/shared_ptr_base.h
+++ b/libstdc++-v3/include/bits/shared_ptr_base.h
@@ -1054,7 +1054,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       _Tp*
       operator->() const noexcept
       {
-       _GLIBCXX_DEBUG_ASSERT(_M_ptr != 0);
+       _GLIBCXX_DEBUG_PEDASSERT(_M_ptr != 0);
        return _M_ptr;
       }
 

diff --git a/libstdc++-v3/include/bits/unique_ptr.h b/libstdc++-v3/include/bits/unique_ptr.h
index 8ab55da..bb96951 100644 (file)
--- a/libstdc++-v3/include/bits/unique_ptr.h
+++ b/libstdc++-v3/include/bits/unique_ptr.h
@@ -295,7 +295,7 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
       pointer
       operator->() const noexcept
       {
-       _GLIBCXX_DEBUG_ASSERT(get() != pointer());
+       _GLIBCXX_DEBUG_PEDASSERT(get() != pointer());
        return get();
       }
 

diff --git a/libstdc++-v3/testsuite/20_util/shared_ptr/observers/get.cc b/libstdc++-v3/testsuite/20_util/shared_ptr/observers/get.cc
index 85fc71d..867f07a 100644 (file)
--- a/libstdc++-v3/testsuite/20_util/shared_ptr/observers/get.cc
+++ b/libstdc++-v3/testsuite/20_util/shared_ptr/observers/get.cc
@@ -63,11 +63,24 @@ test03()
   VERIFY( &p->i == &a->i );
 }
 
+void
+test04()
+{
+  bool test __attribute__((unused)) = true;
+
+#if !(defined _GLIBCXX_DEBUG && defined _GLIBCXX_DEBUG_PEDANTIC)
+  std::shared_ptr<int> p;
+  auto np = p.operator->();
+  VERIFY( np == nullptr );
+#endif
+}
+
 int 
 main()
 {
   test01();
   test02();
   test03();
+  test04();
   return 0;
 }