uint8x16_t vector1 = ((uint8x16_t){1} > (uint8x16_t){0}) >> 7;
printf("%d\n", vector1[0]); // 1 in clang, 255 in gcc

uint8x16_t vector2 = (uint8x16_t){1} > (uint8x16_t){0};
vector2 = vector2 >> 7;
printf("%d\n", vector2[0]); // 1 in both gcc and clang

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