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

[Andreas Schwab]

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
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