C++: variable length arrays and operator new[]

[Ian Lance Taylor]

Florian Weimer <fw@deneb.enyo.de> writes:

> G++ currently accepts the following code:
>
> char *
> alloc(unsigned a, unsigned b)
> {
>   typedef char array[a];
>   return &**(new array[b]);
> }
>
> Is this intentional?  The equivalent "new char[a][b]" is rejected (as
> required by the C++ standard).

Is there any reason that g++ should reject your sample program?

Because of the existence of operator new[], "new char[a][b]" quite a bit
harder to understand than your code is.

Ian