Re: [PATCH] 69517 - [5/6 regression] SEGV on a VLA with excess initializer elements

[Martin Sebor <msebor@gmail.com>]

On 04/14/2016 04:39 AM, Andreas Schwab wrote:
> Martin Sebor <msebor@gmail.com> writes:
>
>> diff --git a/gcc/testsuite/g++.dg/cpp1y/vla11.C b/gcc/testsuite/g++.dg/cpp1y/vla11.C
>> new file mode 100644
>> index 0000000..af9624a
>> --- /dev/null
>> +++ b/gcc/testsuite/g++.dg/cpp1y/vla11.C
>> @@ -0,0 +1,711 @@
>> +// PR c++/69517 - [5/6 regression] SEGV on a VLA with excess initializer
>> +//   elements
>> +// PR c++/70019 - VLA size overflow not detected
>> +//
>> +// Runtime test to verify that attempting to either construct a VLA with
>> +// erroneous bounds, or initialize one with an initializer-list that
>> +// contains more elements than the VLA's non-constant (runtime) bounds
>> +// causes an exception to be thrown.  Test also verifies that valid
>> +// VLAs and their initializers don't cause such an exception.
>> +
>> +// { dg-do run { target c++11 } }
>> +// { dg-additional-options "-Wno-vla" }
>
> On m68k:
>
> /daten/aranym/gcc/gcc-20160414/gcc/testsuite/g++.dg/cpp1y/vla11.C: In instantiation of 'struct TestType<32u>':
> /daten/aranym/gcc/gcc-20160414/gcc/testsuite/g++.dg/cpp1y/vla11.C:201:1:   required from here
> /daten/aranym/gcc/gcc-20160414/gcc/testsuite/g++.dg/cpp1y/vla11.C:89:27: error: requested alignment 32 is larger than 16 [-Wattributes]

Thank you for the heads up (and sorry about the breakage).  I've
committed r234976 to fix that.

Martin