RFA (libstdc++): PATCH to implement C++17 over-aligned new

[Christophe Lyon]

On 12 September 2016 at 22:57, Jason Merrill <jason@redhat.com> wrote:
> I'm checking in this patch, which should fix the remaining issues:
>

Hi Jason,

Since this commit (r240100), I'm seeing failures on:
  g++.dg/cpp0x/gen-attrs-21.C  -std=c++11 (test for excess errors)
  g++.dg/cpp0x/gen-attrs-21.C  -std=c++14 (test for excess errors)

on arm* targets.

Christophe


> On Sat, Sep 10, 2016 at 2:14 PM, Andreas Schwab <schwab@linux-m68k.org> wrote:
>> FAIL: g++.dg/cpp1z/aligned-new1.C   (test for excess errors)
>> Excess errors:
>> /daten/aranym/gcc/gcc-20160910/gcc/testsuite/g++.dg/cpp1z/aligned-new1.C:10:20: warning: requested alignment 64 is larger than 16 [-Wattributes]
>> FAIL: g++.dg/cpp1z/aligned-new1.C   execution test
>> FAIL: g++.dg/cpp1z/aligned-new4.C    (test for warnings, line 11)
>> FAIL: g++.dg/cpp1z/aligned-new4.C   (test for excess errors)
>> Excess errors:
>> /daten/aranym/gcc/gcc-20160910/gcc/testsuite/g++.dg/cpp1z/aligned-new4.C:3:20: warning: requested alignment 64 is larger than 16 [-Wattributes]
>> /daten/aranym/gcc/gcc-20160910/gcc/testsuite/g++.dg/cpp1z/aligned-new4.C:4:20: warning: requested alignment 64 is larger than 16 [-Wattributes]
>> FAIL: g++.dg/cpp1z/aligned-new5.C  -std=gnu++11 (test for excess errors)
>> Excess errors:
>> aligned-new5.C:(.text+0xe): undefined reference to `operator new(unsigned int, std::align_val_t)'
>>
>> Andreas.
>>
>> --
>> Andreas Schwab, schwab@linux-m68k.org
>> GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
>> "And now for something completely different."