Add support for __cxa_throw_bad_array_new_length in libcxxrt

It is required for use with newer g++49

Differential Revision:	https://reviews.freebsd.org/D982
Reviewed by:	theraven
Approved by:	theraven
MFC after:	3 weeks

3 files changed, 22 insertions, 0 deletions

diff --git a/contrib/libcxxrt/auxhelper.cc b/contrib/libcxxrt/auxhelper.cc
index 213f8a0..3e98da0 100644
--- a/contrib/libcxxrt/auxhelper.cc
+++ b/contrib/libcxxrt/auxhelper.cc
@@ -75,3 +75,8 @@ extern "C" void __cxa_deleted_virtual()
 {
     abort();
 }
+
+extern "C" void __cxa_throw_bad_array_new_length()
+{
+	throw std::bad_array_new_length();
+}
diff --git a/contrib/libcxxrt/stdexcept.cc b/contrib/libcxxrt/stdexcept.cc
index 687fc5e..74a7fe5 100644
--- a/contrib/libcxxrt/stdexcept.cc
+++ b/contrib/libcxxrt/stdexcept.cc
@@ -82,5 +82,13 @@ const char* bad_typeid::what() const throw()
 	return "std::bad_typeid";
 }
 
+bad_array_new_length::bad_array_new_length() throw() {}
+bad_array_new_length::~bad_array_new_length() {}
+bad_array_new_length::bad_array_new_length(const bad_array_new_length&) throw() {}
+bad_array_new_length& bad_array_new_length::operator=(const bad_array_new_length&) throw()
+{
+	return *this;
+}
+
 } // namespace std
 
diff --git a/contrib/libcxxrt/stdexcept.h b/contrib/libcxxrt/stdexcept.h
index 49eaf55..1aa5459 100644
--- a/contrib/libcxxrt/stdexcept.h
+++ b/contrib/libcxxrt/stdexcept.h
@@ -81,6 +81,15 @@ namespace std
 		virtual const char* what() const throw();
 	};
 
+	class bad_array_new_length: public exception
+	{
+	public:
+		bad_array_new_length() throw();
+		bad_array_new_length(const bad_array_new_length&) throw();
+		bad_array_new_length& operator=(const bad_array_new_length&) throw();
+		virtual ~bad_array_new_length();
+		virtual const char *what() const throw();
+	};
 
 
 } // namespace std