src/hotspot/share/gc/g1/g1HeapRegionAttr.hpp

rev 60633 : 8248787: G1: Workaround MSVC bug
Reviewed-by:
Contributed-by: mbeckwit, luhenry, burban

*** 30,40 ****
--- 30,46 ----
  
  // Per-region attributes often used during garbage collection to avoid costly
  // lookups for that information all over the place.
  struct G1HeapRegionAttr {
  public:
+ #if defined(_M_ARM64)&& defined(_MSC_VER) && _MSC_VER <= 1927
+   // workaround for MSCV ARM64 bug
+   // https://developercommunity.visualstudio.com/content/problem/1079221/arm64-bad-code-generation-around-signed-char-arith.html
+   typedef int32_t region_type_t;
+ #else
    typedef int8_t region_type_t;
+ #endif
    typedef uint8_t needs_remset_update_t;
  
  private:
    needs_remset_update_t _needs_remset_update;
    region_type_t _type;