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Fix windows clang compiling #1123

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Fix windows clang compiling #1123

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2 changes: 1 addition & 1 deletion include/mimalloc/bits.h
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Original file line number Diff line number Diff line change
Expand Up @@ -226,7 +226,7 @@ static inline size_t mi_clz(size_t x) {
size_t r;
__asm ("lzcnt\t%1, %0" : "=r"(r) : "r"(x) : "cc");
return r;
#elif defined(_MSC_VER) && MI_ARCH_X64 && defined(__BMI1__)
#elif defined(_MSC_VER) && !defined(__clang__) && MI_ARCH_X64 && defined(__BMI1__)
return _lzcnt_u64(x);
#elif defined(_MSC_VER) && (MI_ARCH_X64 || MI_ARCH_X86 || MI_ARCH_ARM64 || MI_ARCH_ARM32)
unsigned long idx;
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