delete all uses of panicln by rewriting them using panic or,
in the tests, println+panic.
gofmt some tests too.

R=rsc
CC=golang-dev
https://golang.org/cl/741041
diff --git a/test/closure.go b/test/closure.go
index 8bb516d..54e4cf8 100644
--- a/test/closure.go
+++ b/test/closure.go
@@ -6,95 +6,96 @@
 
 package main
 
-var c = make(chan int);
+var c = make(chan int)
 
 func check(a []int) {
 	for i := 0; i < len(a); i++ {
-		n := <-c;
+		n := <-c
 		if n != a[i] {
-			panicln("want", a[i], "got", n, "at", i);
+			println("want", a[i], "got", n, "at", i)
+			panic("fail")
 		}
 	}
 }
 
 func f() {
-	var i, j int;
+	var i, j int
 
-	i = 1;
-	j = 2;
+	i = 1
+	j = 2
 	f := func() {
-		c <- i;
-		i = 4;
+		c <- i
+		i = 4
 		g := func() {
-			c <- i;
-			c <- j;
-		};
-		g();
-		c <- i;
-	};
-	j = 5;
-	f();
+			c <- i
+			c <- j
+		}
+		g()
+		c <- i
+	}
+	j = 5
+	f()
 }
 
 // Accumulator generator
-func accum(n int) (func(int) int) {
+func accum(n int) func(int) int {
 	return func(i int) int {
-		n += i;
-		return n;
+		n += i
+		return n
 	}
 }
 
 func g(a, b func(int) int) {
-	c <- a(2);
-	c <- b(3);
-	c <- a(4);
-	c <- b(5);
+	c <- a(2)
+	c <- b(3)
+	c <- a(4)
+	c <- b(5)
 }
 
 func h() {
-	var x8 byte = 100;
-	var x64 int64 = 200;
+	var x8 byte = 100
+	var x64 int64 = 200
 
-	c <- int(x8);
-	c <- int(x64);
+	c <- int(x8)
+	c <- int(x64)
 	f := func(z int) {
 		g := func() {
-			c <- int(x8);
-			c <- int(x64);
-			c <- z;
-		};
-		g();
-		c <- int(x8);
-		c <- int(x64);
-		c <- int(z);
-	};
-	x8 = 101;
-	x64 = 201;
-	f(500);
+			c <- int(x8)
+			c <- int(x64)
+			c <- z
+		}
+		g()
+		c <- int(x8)
+		c <- int(x64)
+		c <- int(z)
+	}
+	x8 = 101
+	x64 = 201
+	f(500)
 }
 
-func newfunc() (func(int) int) {
-	return func(x int) int { return x }
-}
+func newfunc() func(int) int { return func(x int) int { return x } }
 
 
 func main() {
-	go f();
-	check([]int{1,4,5,4});
+	go f()
+	check([]int{1, 4, 5, 4})
 
-	a := accum(0);
-	b := accum(1);
-	go g(a, b);
-	check([]int{2,4,6,9});
+	a := accum(0)
+	b := accum(1)
+	go g(a, b)
+	check([]int{2, 4, 6, 9})
 
-	go h();
-	check([]int{100,200,101,201,500,101,201,500});
+	go h()
+	check([]int{100, 200, 101, 201, 500, 101, 201, 500})
 
-	x, y := newfunc(), newfunc();
+	x, y := newfunc(), newfunc()
 	if x == y {
-		panicln("newfunc returned same func");
+		println("newfunc returned same func")
+		panic("fail")
 	}
 	if x(1) != 1 || y(2) != 2 {
-		panicln("newfunc returned broken funcs");
+		println("newfunc returned broken funcs")
+		panic("fail")
 	}
 }