[dmd-internals] dmd commit, revision 687

[Walter Bright]

Don Clugston wrote:
>
> Great stuff!
> In this part of FuncDeclaration::isPure() in func.c, I think that
> should be: purity >= PUREconst.
> Otherwise a member function like this one becomes PUREweak:
> void foo(const X x) const pure;
>
>
>  	2544	    if (purity > PUREweak && needThis())
>  	2545	    {   // The attribute of the 'this' reference affects purity strength
>  	2546	        if (type->mod & (MODimmutable | MODwild))
>  	2547	            ;
>  	2548	        else if (type->mod & MODconst && purity > PUREconst)
>  	2549	            purity = PUREconst;
>  	2550	        else
>  	2551	            purity = PUREweak;
>  	2552	    }
>   

I think you're right. Fixed.