1 /* { dg-do compile } */ 2 /* { dg-options "-Wall -fwrapv" } */ 3 4 long A[4], B[100]; 5 foo(void)6void foo(void) 7 { 8 int i, j, k = 3; 9 while (A[k] && k > 0) k--; /* k = {0, 1, 2, 3} */ 10 for (i = 3 - k; i >= 0; i--) /* i = {0..3-k} */ 11 for (j = 0; j <= k; j++) { /* line 8; j = {0..k} */ 12 B[i + j] = 0; /* line 9; i + j = {0..3-k+k} = {0..3} */ 13 for (j = 0; j <= k; j++); /* only one iteration is done, with j == 0 */ 14 } 15 } 16 17