Core 624/N2932: Throw bad_array_new_length on overflow

	in array new size calculation.

libstdc++-v3/
	* libsupc++/new: Add std::bad_array_new_length.
	* libsupc++/bad_array_new.cc: New.
	* libsupc++/eh_aux_runtime.cc: Add __cxa_throw_bad_array_new_length.
	* libsupc++/Makefile.in: Build them.
	* config/abi/pre/gnu.ver: Add new symbols.
	* config/abi/pre/gnu-versioned-namespace.ver: Add new symbols.
gcc/cp/
	* init.c (throw_bad_array_new_length): New.
	(build_new_1): Use it.  Don't warn about braced-init-list.
	(build_vec_init): Use it.
	* call.c (build_operator_new_call): Use it.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@198731 138bc75d-0d04-0410-961f-82ee72b054a4

5 files changed, 71 insertions, 1 deletions

diff --git a/libstdc++-v3/libsupc++/Makefile.in b/libstdc++-v3/libsupc++/Makefile.in
index eb13f1ea9ef..9f24fef30eb 100644
--- a/libstdc++-v3/libsupc++/Makefile.in
+++ b/libstdc++-v3/libsupc++/Makefile.in
@@ -92,7 +92,8 @@ am__installdirs = "$(DESTDIR)$(toolexeclibdir)" "$(DESTDIR)$(bitsdir)" \
 LTLIBRARIES = $(noinst_LTLIBRARIES) $(toolexeclib_LTLIBRARIES)
 libsupc___la_LIBADD =
 am__objects_1 = array_type_info.lo atexit_arm.lo atexit_thread.lo \
-	bad_alloc.lo bad_cast.lo bad_typeid.lo class_type_info.lo \
+	bad_alloc.lo bad_array_new.lo bad_cast.lo bad_typeid.lo \
+	class_type_info.lo \
 	del_op.lo del_opnt.lo del_opv.lo del_opvnt.lo dyncast.lo \
 	eh_alloc.lo eh_arm.lo eh_aux_runtime.lo eh_call.lo eh_catch.lo \
 	eh_exception.lo eh_globals.lo eh_personality.lo eh_ptr.lo \
@@ -366,6 +367,7 @@ sources = \
 	atexit_arm.cc \
 	atexit_thread.cc \
 	bad_alloc.cc \
+	bad_array_new.cc \
 	bad_cast.cc \
 	bad_typeid.cc \
 	class_type_info.cc \
@@ -788,6 +790,16 @@ cp-demangle.o: cp-demangle.c
 	$(C_COMPILE) -DIN_GLIBCPP_V3 -Wno-error -c $<
 
 # Use special rules for the C++11 sources so that the proper flags are passed.
+bad_array_new.lo: bad_array_new.cc
+	$(LTCXXCOMPILE) -std=gnu++11 -c $<
+bad_array_new.o: bad_array_new.cc
+	$(CXXCOMPILE) -std=gnu++11 -c $<
+
+eh_aux_runtime.lo: eh_aux_runtime.cc
+	$(LTCXXCOMPILE) -std=gnu++11 -c $<
+eh_aux_runtime.o: eh_aux_runtime.cc
+	$(CXXCOMPILE) -std=gnu++11 -c $<
+
 eh_ptr.lo: eh_ptr.cc
 	$(LTCXXCOMPILE) -std=gnu++11 -c $<
 eh_ptr.o: eh_ptr.cc
diff --git a/libstdc++-v3/libsupc++/bad_array_new.cc b/libstdc++-v3/libsupc++/bad_array_new.cc
new file mode 100644
index 00000000000..5282f525abf
--- /dev/null
+++ b/libstdc++-v3/libsupc++/bad_array_new.cc
@@ -0,0 +1,36 @@
+// Copyright (C) 2013 Free Software Foundation, Inc.
+//
+// This file is part of GCC.
+//
+// GCC is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// GCC is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
+
+#include <new>
+
+namespace std {
+
+bad_array_new_length::~bad_array_new_length() _GLIBCXX_USE_NOEXCEPT { }
+
+const char*
+bad_array_new_length::what() const _GLIBCXX_USE_NOEXCEPT
+{
+  return "std::bad_array_new_length";
+}
+
+} // namespace std
diff --git a/libstdc++-v3/libsupc++/cxxabi.h b/libstdc++-v3/libsupc++/cxxabi.h
index f5301c05d15..83749ce8038 100644
--- a/libstdc++-v3/libsupc++/cxxabi.h
+++ b/libstdc++-v3/libsupc++/cxxabi.h
@@ -151,6 +151,9 @@ namespace __cxxabiv1
   void 
   __cxa_bad_typeid() __attribute__((__noreturn__));
 
+  void
+  __cxa_throw_bad_array_new_length() __attribute__((__noreturn__));
+
 
   /**
    *  @brief Demangling routine.
diff --git a/libstdc++-v3/libsupc++/eh_aux_runtime.cc b/libstdc++-v3/libsupc++/eh_aux_runtime.cc
index 77980147145..1cc831b4b9f 100644
--- a/libstdc++-v3/libsupc++/eh_aux_runtime.cc
+++ b/libstdc++-v3/libsupc++/eh_aux_runtime.cc
@@ -24,6 +24,7 @@
 
 #include "typeinfo"
 #include "exception"
+#include "new"
 #include <cstdlib>
 #include "unwind-cxx.h"
 #include <bits/exception_defines.h>
@@ -36,3 +37,6 @@ extern "C" void
 __cxxabiv1::__cxa_bad_typeid ()
 { _GLIBCXX_THROW_OR_ABORT(std::bad_typeid()); }
 
+extern "C" void
+__cxxabiv1::__cxa_throw_bad_array_new_length ()
+{ _GLIBCXX_THROW_OR_ABORT(std::bad_array_new_length()); }
diff --git a/libstdc++-v3/libsupc++/new b/libstdc++-v3/libsupc++/new
index e3f0f7796f8..3087502190e 100644
--- a/libstdc++-v3/libsupc++/new
+++ b/libstdc++-v3/libsupc++/new
@@ -64,6 +64,21 @@ namespace std
     virtual const char* what() const throw();
   };
 
+#if __cplusplus >= 201103L
+  class bad_array_new_length : public bad_alloc
+  {
+  public:
+    bad_array_new_length() throw() { };
+
+    // This declaration is not useless:
+    // http://gcc.gnu.org/onlinedocs/gcc-3.0.2/gcc_6.html#SEC118
+    virtual ~bad_array_new_length() throw();
+
+    // See comment in eh_exception.cc.
+    virtual const char* what() const throw();
+  };
+#endif
+
   struct nothrow_t { };
 
   extern const nothrow_t nothrow;