Change #ifdef to #if defined
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@ -38,9 +38,9 @@ inline uint32_t clzll(uint64_t x) {
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// infinite loop in the software implementation.
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// infinite loop in the software implementation.
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RAPIDJSON_ASSERT(x != 0);
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RAPIDJSON_ASSERT(x != 0);
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#ifdef _MSC_VER
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#if defined(_MSC_VER)
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unsigned long r = 0;
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unsigned long r = 0;
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#ifdef _WIN64
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#if defined(_WIN64)
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_BitScanReverse64(&r, x);
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_BitScanReverse64(&r, x);
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#else
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#else
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// Scan the high 32 bits.
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// Scan the high 32 bits.
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