1 /* { dg-additional-options "-fno-rerun-cse-after-loop -fno-guess-branch-probability -fno-tree-fre" } */ 2 3 int x; 4 5 void fn2 (); 6 void fn3 (); 7 void fn4 (); 8 void fn5 (); 9 void fn6 (); 10 11 void fn1(void)12fn1 (void) 13 { 14 int n; 15 for (n = 0;; ++n) { 16 { 17 struct { char a[n]; } s; 18 fn2 (s); 19 } 20 struct { unsigned a[x]; } s; 21 int i, b; 22 for (i = 0; i < n; ++i) 23 ; 24 fn2 (s); 25 { 26 struct { char a[n]; } s; 27 int i; 28 for (i = 0; i < n; ++i) 29 s.a[i] = i; 30 fn3 (s, s); 31 } 32 fn4 (); 33 { 34 struct { unsigned a[n]; } s; 35 fn5 (s); 36 } 37 { 38 struct { char a[b]; } s; 39 for (; i < n;) 40 s.a[i] = i; 41 fn6 (s); 42 } 43 } 44 } 45