double x[50] = { 10, 11, 12, 13, 14, 15, -1, -1, -1, -1, 21, 22, 23, 24, 25, 26, -1, -1, -1, -1, 32, 33, 34, 35, 36, 37, -1, -1, -1, -1, 43, 44, 45, 46, 47, 48, -1, -1, -1, -1, 54, 55, 56, 57, 58, 59, -1, -1, -1, -1 }; double tmp[30]; void __attribute__((noinline)) test (void) { int i, j; for (i = 0; i < 5; ++i) { tmp[i*6] = x[i*10]; tmp[i*6+1] = x[i*10+1]; tmp[i*6+2] = x[i*10+2]; tmp[i*6+3] = x[i*10+3]; tmp[i*6+4] = x[i*10+4]; tmp[i*6+5] = x[i*10+5]; } } extern void abort (void); int main() { int i, j; test(); for (i = 0; i < 5; ++i) for (j = 0; j < 6; ++j) if (tmp[i*6+j] == -1) abort (); return 0; }