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For H8/300 size_t is 32 bits wide, but (unsigned char)buf[2] << 16 promotes to int which is only 16 bits wide. The shift is then undefined. This fixes it by converting to size_t before shifting. libstdc++-v3/ChangeLog: PR libstdc++/107885 * libsupc++/hash_bytes.cc (_Hash_bytes): Convert to size_t instead of implicit integer promotion to 16 bits.
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