On 28/05/15 12:53 +0100, Jonathan Wakely wrote:
Unsurprisingly ubsan doesn't like referencing a null pointer.
With this change __array_traits::_S_ref is only used to access an
element, which is invalid for std::array anyway.
Tested powerpc64le-linux, committed to trunk.
I forgot the debug and
On 28/05/15 15:52 +0200, Marc Glisse wrote:
On Thu, 28 May 2015, Jonathan Wakely wrote:
Would there be a danger of an object compiled with gcc-5.1 that calls
array::data() finding the _S_ref from an object compiled with
gcc-5.2 and hitting the __builtin_unreachable in vali code?
At -O0, maybe
On Thu, 28 May 2015, Jonathan Wakely wrote:
Would there be a danger of an object compiled with gcc-5.1 that calls
array::data() finding the _S_ref from an object compiled with
gcc-5.2 and hitting the __builtin_unreachable in vali code?
At -O0, maybe. To be safe you would need to give this _S_r
On 28/05/15 15:26 +0200, Marc Glisse wrote:
On Thu, 28 May 2015, Jonathan Wakely wrote:
Unsurprisingly ubsan doesn't like referencing a null pointer.
With this change __array_traits::_S_ref is only used to access an
element, which is invalid for std::array anyway.
Should
return *static_cast
On 28/05/15 14:38 +0100, Jonathan Wakely wrote:
On 28/05/15 15:26 +0200, Marc Glisse wrote:
On Thu, 28 May 2015, Jonathan Wakely wrote:
Unsurprisingly ubsan doesn't like referencing a null pointer.
With this change __array_traits::_S_ref is only used to access an
element, which is invalid for
On Thu, 28 May 2015, Jonathan Wakely wrote:
Unsurprisingly ubsan doesn't like referencing a null pointer.
With this change __array_traits::_S_ref is only used to access an
element, which is invalid for std::array anyway.
Should
return *static_cast<_Tp*>(nullptr);
be replaced with
__builtin
On 28/05/15 12:53 +0100, Jonathan Wakely wrote:
Unsurprisingly ubsan doesn't like referencing a null pointer.
With this change __array_traits::_S_ref is only used to access an
element, which is invalid for std::array anyway.
Tested powerpc64le-linux, committed to trunk.
And gcc-5-branch.
co
Unsurprisingly ubsan doesn't like referencing a null pointer.
With this change __array_traits::_S_ref is only used to access an
element, which is invalid for std::array anyway.
Tested powerpc64le-linux, committed to trunk.
commit 0d999cf16b8f6a0d9bbf4bfe96b29e7b73a259e4
Author: Jonathan Wakely
