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src/hotspot/share/gc/g1/g1HeapRegionAttr.hpp
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rev 60633 : 8248787: G1: Workaround MSVC bug
Reviewed-by:
Contributed-by: mbeckwit, luhenry, burban
@@ -30,11 +30,17 @@
// 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;
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