[CLN-list] Shift overflow?

[Bruno Haible]

Hi,

David van der Spoel wrote:
> I am compiling 1.3.4 using gcc 8.2 and get these warnings:
> 
> ./base/cl_macros.h:119:26: warning: result of '(2 << 63)' requires 66 
> bits to represent, but 'long long in' only has 64 bits [-Wshift-overflow=]
>       #define bitm(n)  (2LL<<((n)-1))
>                         ~~~^~~~~~~~~

The attached patch will fix it. Thanks for the report.

Bruno
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