int printf(const char *, ...);
void test1() {
__block int a;
int b=2;
a=1;
printf("a is %d, b is %d\n", a, b);
^{ a = 10; printf("a is %d, b is %d\n", a, b); }(); printf("a is %d, b is %d\n", a, b);
a = 1;
printf("a is %d, b is %d\n", a, b);
}
void test2() {
__block int a;
a=1;
printf("a is %d\n", a);
^{ ^{ a = 10;
}();
}();
printf("a is %d\n", a);
a = 1;
printf("a is %d\n", a);
}
void test3() {
__block int k;
__block int (^j)(int);
^{j=0; k=0;}(); }
int test4() {
extern int g;
static int i = 1;
^(int j){ i = j; g = 0; }(0); return i + g;
}
int g;
void test5() {
__block struct { int i; } i;
^{ (void)i; }(); }
void test6() {
__block int i;
^{ i=1; }(); ^{}(); }
void test7() {
^{ __block int i;
^{ i = 1; }(); }();
}
int main() {
int rv = 0;
test1();
test2();
test3();
rv += test4();
test5();
return rv;
}