RFR: Fix x86_64 non-PCH build

[Roman Kennke]

Hi Aleksey,

Thanks for fixing this. Patch looks good.

Roman

> Current non-PCH build fails with:
> 
> /pool/buildbot/slaves/sobornost/shenandoah-jdkX/build/src/hotspot/share/runtime/javaFrameAnchor.hpp:43:14:
> note: forward declaration of ‘class StubAssembler’
>  friend class StubAssembler;
>               ^~~~~~~~~~~~~
> /pool/buildbot/slaves/sobornost/shenandoah-jdkX/build/src/hotspot/cpu/x86/gc/shenandoah/shenandoahBarrierSetAssembler_x86.cpp:773:16:
> error: invalid use of incomplete type ‘class StubAssembler’
>  #define __ sasm->
>                 ^
> /pool/buildbot/slaves/sobornost/shenandoah-jdkX/build/src/hotspot/cpu/x86/gc/shenandoah/shenandoahBarrierSetAssembler_x86.cpp:828:3:
> note: in expansion of macro ‘__’
>    __ epilogue();
>    ^~
> 
> Fix:
> 
> diff -r a02ecef8a161 src/hotspot/cpu/x86/gc/shenandoah/shenandoahBarrierSetAssembler_x86.cpp
> --- a/src/hotspot/cpu/x86/gc/shenandoah/shenandoahBarrierSetAssembler_x86.cpp	Tue Jun 05 19:29:25
> 2018 -0400
> +++ b/src/hotspot/cpu/x86/gc/shenandoah/shenandoahBarrierSetAssembler_x86.cpp	Wed Jun 06 10:24:07
> 2018 +0200
> @@ -32,6 +32,12 @@
>  #include "interpreter/interp_masm.hpp"
>  #include "runtime/sharedRuntime.hpp"
>  #include "runtime/thread.hpp"
> +#include "utilities/macros.hpp"
> +#ifdef COMPILER1
> +#include "c1/c1_LIRAssembler.hpp"
> +#include "c1/c1_MacroAssembler.hpp"
> +#include "gc/shenandoah/c1/shenandoahBarrierSetC1.hpp"
> +#endif
> 
>  #define __ masm->
> 
> 
> Testing: x86_64 non-PCH build
> 
> Thanks,
> -Aleksey
>