Re: BUG #13689: Build failed pg9.4.5 with mingw5.1

Bruce Momjian <bruce@momjian.us> writes:
> On Tue, Oct 20, 2015 at 04:37:37AM +0000, kangjoni76@gmail.com wrote:
>> Invalid conversion ForkNumber to int...
>> error build failed ForkNumber type doesn't have operator++.
>> This happen in src/common/relpath.c:52 and also at line 86.

> Wow, we are incrementing an enum here.  Is that legal?  What compiler
> are you using?

Possibly C++ doesn't allow that?  But if so, it's user error.
Postgres is written in C not C++.

(I could see a compiler issuing a warning here that forkNum will
get incremented past the declared range of the enum.  But that
doesn't seem to be what's being reported.)

            regards, tom lane