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void
test_switch(int i)
{
		static int state;
 
		switch (i) {
		case 1:
			if (some_condition)
				some_function();
			else
				break;
			/* Падаем, если some_condition != 0 */
		case 0:
			state = 0;
			return;
		}
 
		other_function();
}
 
void
test_goto(int i)
{
		static int state;
 
		if (i == 1 && some_condition)
			goto callf;
		else if (i == 0)
			goto reset;
 
		other_function();
		return;
 
callf:	some_function();
reset:	state = 0;
}

prog.c: In function 'test_switch':
prog.c:8:8: error: 'some_condition' undeclared (first use in this function)
    if (some_condition)
        ^
prog.c:8:8: note: each undeclared identifier is reported only once for each function it appears in
prog.c:9:5: warning: implicit declaration of function 'some_function' [-Wimplicit-function-declaration]
     some_function();
     ^
prog.c:18:3: warning: implicit declaration of function 'other_function' [-Wimplicit-function-declaration]
   other_function();
   ^
prog.c:4:14: warning: variable 'state' set but not used [-Wunused-but-set-variable]
   static int state;
              ^
prog.c: In function 'test_goto':
prog.c:26:17: error: 'some_condition' undeclared (first use in this function)
   if (i == 1 && some_condition)
                 ^
prog.c:24:14: warning: variable 'state' set but not used [-Wunused-but-set-variable]
   static int state;
              ^

Standard output is empty