Re: build-porting64-gcc-debug_gcsafety

[Bruno H. <br...@cl...>]

Hi Sam,

> > * Bruno Haible <oe...@py...t> [2017-03-10 14:37:23 +0100]:
> >
> >> ../src/lispbibl.d:5572:36: warning: left shift of negative value [-Wshift-negative-value]
> >>      objectplus(obj, (soint)(delta) << oint_data_shift)
> >>                                     ^
> 
> shouldn't it be 
> 
>      objectplus(obj, (soint)(delta << oint_data_shift))
> 
> instead?

Definitely no. 'delta' can be a simple 'int' (i.e. 32 bits wide),
and we have configurations with oint_data_shift = oint_addr_shift = 32.

As I said on 2017-02-08, diagnostics from -Wshift-negative-value are
most probably just noise.

Bruno