On 11/12/20 11:39 PM, Paul Eggert wrote:
> We have dueling compilers here, as Sun C complains if the return statements are 
> present[1], whereas gcc -Wreturn-type complains if they're absent. Since the 
> return statements are clearly bogus and unnecessary I'm inclined to continue to 
> omit them.

I looked into this some more, and found out that it's a known GCC bug. I 
installed the attached patch into Gnulib to work around the bug. Thanks for 
reporting the problem.