RFR [8]: Fix MacOS/Clang build failure

[Roman Kennke]

Am 04.06.2018 um 12:57 schrieb Aleksey Shipilev:
> Following up on MacOS/Clang build failures. This only affects sh/jdk8, because we have different
> type for _tax_rate there:
> 
> diff -r 73e73472762b src/share/vm/gc_implementation/shenandoah/shenandoahPacer.cpp
> --- a/src/share/vm/gc_implementation/shenandoah/shenandoahPacer.cpp	Thu May 31 12:29:14 2018 +0200
> +++ b/src/share/vm/gc_implementation/shenandoah/shenandoahPacer.cpp	Mon Jun 04 12:51:54 2018 +0200
> @@ -147,7 +147,7 @@
>  bool ShenandoahPacer::claim_for_alloc(size_t words, bool force) {
>    assert(ShenandoahPacing, "Only be here when pacing is enabled");
> 
> -  intptr_t tax = MAX2<intptr_t>(1, words * OrderAccess::load_acquire(&_tax_rate));
> +  intptr_t tax = MAX2<intptr_t>(1, (intptr_t)(words * OrderAccess::load_acquire(&_tax_rate)));
> 
>    intptr_t cur = 0;
>    intptr_t new_val = 0;
> 
> 
> Testing: hotspot_gc_shenandoah, sh/jdk8 mac build
> 
> Thanks,
> -Aleksey
> 

Yes, please!