|  | @@ -361,7 +361,7 @@ typedef unsigned __int64 uint64_t;
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				|  |  |  #define GPR_MAX_ALIGNMENT 16
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				|  |  |  
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				|  |  |  #ifndef GRPC_MUST_USE_RESULT
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				|  |  | -#ifdef __GNUC__
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				|  |  | +#if defined(__GNUC__) && !defined(__MINGW32__)
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				|  |  |  #define GRPC_MUST_USE_RESULT __attribute__((warn_unused_result))
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				|  |  |  #else
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				|  |  |  #define GRPC_MUST_USE_RESULT
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