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On 01/14/2011 03:22 PM, Brian Paul wrote:
> On 01/14/2011 02:58 PM, Eric Anholt wrote:
>> +void
>> +ir_to_mesa_visitor::copy_propagate(void)
>> +{
>> + ir_to_mesa_instruction *acp[this->next_temp * 4];
>
> This does not compile with MSVC:
>
> src\mesa\program\ir_to_mesa.cpp(2644) : error C2466: cannot allocate an
> array of constant size 0
> src\mesa\program\ir_to_mesa.cpp(2644) : error C2133: 'acp' : unknown size
> src\mesa\program\ir_to_mesa.cpp(2646) : error C2070:
> 'ir_to_mesa_instruction *[]': illegal sizeof operand
> src\mesa\program\ir_to_mesa.cpp(2709) : error C2070:
> 'ir_to_mesa_instruction *[]': illegal sizeof operand
> src\mesa\program\ir_to_mesa.cpp(2718) : error C2070:
> 'ir_to_mesa_instruction *[]': illegal sizeof operand
Right. C89 and unextended C++ require that the size of an array be a
compile-time constant. GCC, G++, C99, C++0x (I'm pretty sure), and
clang relax this requirement. sigh...
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