1 /* PR c/64279 */ 2 /* { dg-do compile } */ 3 /* { dg-options "-Wduplicated-branches" } */ 4 5 struct S 6 { 7 int x; 8 } s; 9 int a[10]; 10 11 #define XMEM(R) ((R).x) 12 #define XSTR(R) ((R).x) 13 14 void f(int i)15f (int i) 16 { 17 if (i) 18 XMEM(s) = 1; 19 else 20 XSTR(s) = 1; 21 22 if (i) /* { dg-warning "this condition has identical branches" } */ 23 s.x = 1; 24 else 25 s.x = 1; 26 27 if (i) 28 XMEM(s) = 1; 29 else 30 s.x = 1; 31 32 if (i) 33 s.x = 1; 34 else 35 XMEM(s) = 1; 36 } 37