Jan 28, 2026 · Jan 28, 2026 · Jan 28, 2026 · Jan 28, 2026
diff --git a/Include/internal/pycore_optimizer.h b/Include/internal/pycore_optimizer.h

 #define REF_IS_BORROWED 1
 #define REF_IS_INVALID  2
 #define REF_TAG_BITS    3
 #define REF_IS_UNIQUE   4
 #define REF_TAG_BITS    7

 #define JIT_BITS_TO_PTR_MASKED(REF) ((JitOptSymbol *)(((REF).bits) & (~REF_TAG_BITS)))

    return (ref.bits & REF_IS_INVALID) == REF_IS_INVALID;
 }

 static inline JitOptRef
 PyJitRef_MakeUnique(JitOptRef ref)
 {
    return (JitOptRef){ ref.bits | REF_IS_UNIQUE };
 }

 static inline JitOptRef
 PyJitRef_RemoveUnique(JitOptRef ref)
 {
    return (JitOptRef){ ref.bits & (~REF_IS_UNIQUE) };
 }

 static inline bool
 PyJitRef_IsUnique(JitOptRef ref)
 {
    return (ref.bits & REF_IS_UNIQUE) == REF_IS_UNIQUE;
 }

 static inline JitOptRef
 PyJitRef_StripBorrowInfo(JitOptRef ref)
 {
    return (JitOptRef){ .bits = ref.bits & ~(REF_IS_BORROWED | REF_IS_INVALID) };
 }

 static inline JitOptRef
 PyJitRef_StripReferenceInfo(JitOptRef ref)
 {
Original file line number	Diff line number	Diff line change
Expand Up		@@ -206,7 +206,8 @@ static inline uint16_t uop_get_error_target(const _PyUOpInstruction *inst)

		#define REF_IS_BORROWED 1
		#define REF_IS_INVALID 2
		#define REF_TAG_BITS 3
		#define REF_IS_UNIQUE 4
		#define REF_TAG_BITS 7

		#define JIT_BITS_TO_PTR_MASKED(REF) ((JitOptSymbol *)(((REF).bits) & (~REF_TAG_BITS)))

Expand DownExpand Up		@@ -237,6 +238,30 @@ PyJitRef_IsInvalid(JitOptRef ref)
		return (ref.bits & REF_IS_INVALID) == REF_IS_INVALID;
		}

		static inline JitOptRef
		PyJitRef_MakeUnique(JitOptRef ref)
		{
		return (JitOptRef){ ref.bits \| REF_IS_UNIQUE };
		}

		static inline JitOptRef
		PyJitRef_RemoveUnique(JitOptRef ref)
		{
		return (JitOptRef){ ref.bits & (~REF_IS_UNIQUE) };
		}

		static inline bool
		PyJitRef_IsUnique(JitOptRef ref)
		{
		return (ref.bits & REF_IS_UNIQUE) == REF_IS_UNIQUE;
		}

		static inline JitOptRef
		PyJitRef_StripBorrowInfo(JitOptRef ref)
		{
		return (JitOptRef){ .bits = ref.bits & ~(REF_IS_BORROWED \| REF_IS_INVALID) };
		}

		static inline JitOptRef
		PyJitRef_StripReferenceInfo(JitOptRef ref)
		{
Expand Down