[RFH]: 8186443: Missing stdint.h for zero builds

[Kim Barrett]

> On Aug 18, 2017, at 8:40 PM, John Paul Adrian Glaubitz <glaubitz at physik.fu-berlin.de> wrote:
>> I think adding an #include of <stdint.h> to vmStructs.hpp is
>> reasonable.  Alternatively, #include globalDefinitions.hpp, though I'm
>> personally not a fan of that file.
> 
> What about guarding it:
> 
> diff -r 9a75c2f7bf06 src/share/vm/runtime/vmStructs.hpp
> --- a/src/share/vm/runtime/vmStructs.hpp        Wed Aug 16 16:00:15 2017 +0200
> +++ b/src/share/vm/runtime/vmStructs.hpp        Sat Aug 19 02:39:41 2017 +0200
> @@ -28,6 +28,8 @@
> #include "utilities/debug.hpp"
> #ifdef COMPILER1
> #include "c1/c1_Runtime1.hpp"
> +#else
> +#include "utilities/globalDefinitions.hpp"
> #endif
> 
> // This table encapsulates the debugging information required by the
> 
> I have verified that zero builds fine with that change. I know the #else
> is not really necessary here but it might make the code more readable.

I would prefer it be included unconditionally, rather than only if !COMPILER1.

That is, don’t depend on COMPILER1 bringing that stuff in.