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/intcvt.go b/test/intcvt.go
index a54d276..407bcfd 100644
--- a/test/intcvt.go
+++ b/test/intcvt.go
@@ -7,133 +7,173 @@
 package main
 
 const (
-	ci8 = -1<<7;
-	ci16 = -1<<15 + 100;
-	ci32 = -1<<31 + 100000;
-	ci64 = -1<<63 + 10000000001;
-	
-	cu8 = 1<<8 - 1;
-	cu16 = 1<<16 - 1234;
-	cu32 = 1<<32 - 1234567;
-	cu64 = 1<<64 - 1234567890123;
+	ci8  = -1 << 7
+	ci16 = -1<<15 + 100
+	ci32 = -1<<31 + 100000
+	ci64 = -1<<63 + 10000000001
 
-	cf32 = 1e8 + 0.5;
-	cf64 = -1e8 + 0.5;
+	cu8  = 1<<8 - 1
+	cu16 = 1<<16 - 1234
+	cu32 = 1<<32 - 1234567
+	cu64 = 1<<64 - 1234567890123
+
+	cf32 = 1e8 + 0.5
+	cf64 = -1e8 + 0.5
 )
 
 var (
-	i8 int8 = ci8;
-	i16 int16 = ci16;
-	i32 int32 = ci32;
-	i64 int64 = ci64;
+	i8  int8  = ci8
+	i16 int16 = ci16
+	i32 int32 = ci32
+	i64 int64 = ci64
 
-	u8 uint8 = cu8;
-	u16 uint16 = cu16;
-	u32 uint32 = cu32;
-	u64 uint64 = cu64;
-	
-//	f32 float32 = 1e8 + 0.5;
-//	f64 float64 = -1e8 + 0.5;
+	u8  uint8  = cu8
+	u16 uint16 = cu16
+	u32 uint32 = cu32
+	u64 uint64 = cu64
+
+	//	f32 float32 = 1e8 + 0.5
+	//	f64 float64 = -1e8 + 0.5
 )
 
-func chki8(i, v int8) { if i != v { panicln(i, "!=", v) } }
-func chki16(i, v int16) { if i != v { panicln(i, "!=", v) } }
-func chki32(i, v int32) { if i != v { panicln(i, "!=", v) } }
-func chki64(i, v int64) { if i != v { panicln(i, "!=", v) } }
-func chku8(i, v uint8) { if i != v { panicln(i, "!=", v) } }
-func chku16(i, v uint16) { if i != v { panicln(i, "!=", v) } }
-func chku32(i, v uint32) { if i != v { panicln(i, "!=", v) } }
-func chku64(i, v uint64) { if i != v { panicln(i, "!=", v) } }
-//func chkf32(f, v float32) { if f != v { panicln(f, "!=", v) } }
-//func chkf64(f, v float64) { if f != v { panicln(f, "!=", v) } }
+func chki8(i, v int8) {
+	if i != v {
+		println(i, "!=", v)
+		panic("fail")
+	}
+}
+func chki16(i, v int16) {
+	if i != v {
+		println(i, "!=", v)
+		panic("fail")
+	}
+}
+func chki32(i, v int32) {
+	if i != v {
+		println(i, "!=", v)
+		panic("fail")
+	}
+}
+func chki64(i, v int64) {
+	if i != v {
+		println(i, "!=", v)
+		panic("fail")
+	}
+}
+func chku8(i, v uint8) {
+	if i != v {
+		println(i, "!=", v)
+		panic("fail")
+	}
+}
+func chku16(i, v uint16) {
+	if i != v {
+		println(i, "!=", v)
+		panic("fail")
+	}
+}
+func chku32(i, v uint32) {
+	if i != v {
+		println(i, "!=", v)
+		panic("fail")
+	}
+}
+func chku64(i, v uint64) {
+	if i != v {
+		println(i, "!=", v)
+		panic("fail")
+	}
+}
+//func chkf32(f, v float32) { if f != v { println(f, "!=", v); panic("fail") } }
+//func chkf64(f, v float64) { if f != v { println(f, "!=", v); panic("fail") } }
 
 func main() {
-	chki8(int8(i8), ci8 & 0xff - 1<<8);
-	chki8(int8(i16), ci16 & 0xff);
-	chki8(int8(i32), ci32 & 0xff - 1<<8);
-	chki8(int8(i64), ci64 & 0xff);
-	chki8(int8(u8), cu8 & 0xff - 1<<8);
-	chki8(int8(u16), cu16 & 0xff);
-	chki8(int8(u32), cu32 & 0xff);
-	chki8(int8(u64), cu64 & 0xff);
-//	chki8(int8(f32), 0);
-//	chki8(int8(f64), 0);
+	chki8(int8(i8), ci8&0xff-1<<8)
+	chki8(int8(i16), ci16&0xff)
+	chki8(int8(i32), ci32&0xff-1<<8)
+	chki8(int8(i64), ci64&0xff)
+	chki8(int8(u8), cu8&0xff-1<<8)
+	chki8(int8(u16), cu16&0xff)
+	chki8(int8(u32), cu32&0xff)
+	chki8(int8(u64), cu64&0xff)
+	//	chki8(int8(f32), 0)
+	//	chki8(int8(f64), 0)
 
-	chki16(int16(i8), ci8 & 0xffff - 1<<16);
-	chki16(int16(i16), ci16 & 0xffff - 1<<16);
-	chki16(int16(i32), ci32 & 0xffff - 1<<16);
-	chki16(int16(i64), ci64 & 0xffff - 1<<16);
-	chki16(int16(u8), cu8 & 0xffff);
-	chki16(int16(u16), cu16 & 0xffff - 1<<16);
-	chki16(int16(u32), cu32 & 0xffff);
-	chki16(int16(u64), cu64 & 0xffff - 1<<16);
-//	chki16(int16(f32), 0);
-//	chki16(int16(f64), 0);
+	chki16(int16(i8), ci8&0xffff-1<<16)
+	chki16(int16(i16), ci16&0xffff-1<<16)
+	chki16(int16(i32), ci32&0xffff-1<<16)
+	chki16(int16(i64), ci64&0xffff-1<<16)
+	chki16(int16(u8), cu8&0xffff)
+	chki16(int16(u16), cu16&0xffff-1<<16)
+	chki16(int16(u32), cu32&0xffff)
+	chki16(int16(u64), cu64&0xffff-1<<16)
+	//	chki16(int16(f32), 0)
+	//	chki16(int16(f64), 0)
 
-	chki32(int32(i8), ci8 & 0xffffffff - 1<<32);
-	chki32(int32(i16), ci16 & 0xffffffff - 1<<32);
-	chki32(int32(i32), ci32 & 0xffffffff - 1<<32);
-	chki32(int32(i64), ci64 & 0xffffffff);
-	chki32(int32(u8), cu8 & 0xffffffff);
-	chki32(int32(u16), cu16 & 0xffffffff);
-	chki32(int32(u32), cu32 & 0xffffffff - 1<<32);
-	chki32(int32(u64), cu64 & 0xffffffff - 1<<32);
-//	chki32(int32(f32), 0);
-//	chki32(int32(f64), 0);
+	chki32(int32(i8), ci8&0xffffffff-1<<32)
+	chki32(int32(i16), ci16&0xffffffff-1<<32)
+	chki32(int32(i32), ci32&0xffffffff-1<<32)
+	chki32(int32(i64), ci64&0xffffffff)
+	chki32(int32(u8), cu8&0xffffffff)
+	chki32(int32(u16), cu16&0xffffffff)
+	chki32(int32(u32), cu32&0xffffffff-1<<32)
+	chki32(int32(u64), cu64&0xffffffff-1<<32)
+	//	chki32(int32(f32), 0)
+	//	chki32(int32(f64), 0)
 
-	chki64(int64(i8), ci8 & 0xffffffffffffffff - 1<<64);
-	chki64(int64(i16), ci16 & 0xffffffffffffffff - 1<<64);
-	chki64(int64(i32), ci32 & 0xffffffffffffffff - 1<<64);
-	chki64(int64(i64), ci64 & 0xffffffffffffffff - 1<<64);
-	chki64(int64(u8), cu8 & 0xffffffffffffffff);
-	chki64(int64(u16), cu16 & 0xffffffffffffffff);
-	chki64(int64(u32), cu32 & 0xffffffffffffffff);
-	chki64(int64(u64), cu64 & 0xffffffffffffffff - 1<<64);
-//	chki64(int64(f32), 0);
-//	chki64(int64(f64), 0);
+	chki64(int64(i8), ci8&0xffffffffffffffff-1<<64)
+	chki64(int64(i16), ci16&0xffffffffffffffff-1<<64)
+	chki64(int64(i32), ci32&0xffffffffffffffff-1<<64)
+	chki64(int64(i64), ci64&0xffffffffffffffff-1<<64)
+	chki64(int64(u8), cu8&0xffffffffffffffff)
+	chki64(int64(u16), cu16&0xffffffffffffffff)
+	chki64(int64(u32), cu32&0xffffffffffffffff)
+	chki64(int64(u64), cu64&0xffffffffffffffff-1<<64)
+	//	chki64(int64(f32), 0)
+	//	chki64(int64(f64), 0)
 
 
-	chku8(uint8(i8), ci8 & 0xff);
-	chku8(uint8(i16), ci16 & 0xff);
-	chku8(uint8(i32), ci32 & 0xff);
-	chku8(uint8(i64), ci64 & 0xff);
-	chku8(uint8(u8), cu8 & 0xff);
-	chku8(uint8(u16), cu16 & 0xff);
-	chku8(uint8(u32), cu32 & 0xff);
-	chku8(uint8(u64), cu64 & 0xff);
-//	chku8(uint8(f32), 0);
-//	chku8(uint8(f64), 0);
+	chku8(uint8(i8), ci8&0xff)
+	chku8(uint8(i16), ci16&0xff)
+	chku8(uint8(i32), ci32&0xff)
+	chku8(uint8(i64), ci64&0xff)
+	chku8(uint8(u8), cu8&0xff)
+	chku8(uint8(u16), cu16&0xff)
+	chku8(uint8(u32), cu32&0xff)
+	chku8(uint8(u64), cu64&0xff)
+	//	chku8(uint8(f32), 0)
+	//	chku8(uint8(f64), 0)
 
-	chku16(uint16(i8), ci8 & 0xffff);
-	chku16(uint16(i16), ci16 & 0xffff);
-	chku16(uint16(i32), ci32 & 0xffff);
-	chku16(uint16(i64), ci64 & 0xffff);
-	chku16(uint16(u8), cu8 & 0xffff);
-	chku16(uint16(u16), cu16 & 0xffff);
-	chku16(uint16(u32), cu32 & 0xffff);
-	chku16(uint16(u64), cu64 & 0xffff);
-//	chku16(uint16(f32), 0);
-//	chku16(uint16(f64), 0);
+	chku16(uint16(i8), ci8&0xffff)
+	chku16(uint16(i16), ci16&0xffff)
+	chku16(uint16(i32), ci32&0xffff)
+	chku16(uint16(i64), ci64&0xffff)
+	chku16(uint16(u8), cu8&0xffff)
+	chku16(uint16(u16), cu16&0xffff)
+	chku16(uint16(u32), cu32&0xffff)
+	chku16(uint16(u64), cu64&0xffff)
+	//	chku16(uint16(f32), 0)
+	//	chku16(uint16(f64), 0)
 
-	chku32(uint32(i8), ci8 & 0xffffffff);
-	chku32(uint32(i16), ci16 & 0xffffffff);
-	chku32(uint32(i32), ci32 & 0xffffffff);
-	chku32(uint32(i64), ci64 & 0xffffffff);
-	chku32(uint32(u8), cu8 & 0xffffffff);
-	chku32(uint32(u16), cu16 & 0xffffffff);
-	chku32(uint32(u32), cu32 & 0xffffffff);
-	chku32(uint32(u64), cu64 & 0xffffffff);
-//	chku32(uint32(f32), 0);
-//	chku32(uint32(f64), 0);
+	chku32(uint32(i8), ci8&0xffffffff)
+	chku32(uint32(i16), ci16&0xffffffff)
+	chku32(uint32(i32), ci32&0xffffffff)
+	chku32(uint32(i64), ci64&0xffffffff)
+	chku32(uint32(u8), cu8&0xffffffff)
+	chku32(uint32(u16), cu16&0xffffffff)
+	chku32(uint32(u32), cu32&0xffffffff)
+	chku32(uint32(u64), cu64&0xffffffff)
+	//	chku32(uint32(f32), 0)
+	//	chku32(uint32(f64), 0)
 
-	chku64(uint64(i8), ci8 & 0xffffffffffffffff);
-	chku64(uint64(i16), ci16 & 0xffffffffffffffff);
-	chku64(uint64(i32), ci32 & 0xffffffffffffffff);
-	chku64(uint64(i64), ci64 & 0xffffffffffffffff);
-	chku64(uint64(u8), cu8 & 0xffffffffffffffff);
-	chku64(uint64(u16), cu16 & 0xffffffffffffffff);
-	chku64(uint64(u32), cu32 & 0xffffffffffffffff);
-	chku64(uint64(u64), cu64 & 0xffffffffffffffff);
-//	chku64(uint64(f32), 0);
-//	chku64(uint64(f64), 0);
+	chku64(uint64(i8), ci8&0xffffffffffffffff)
+	chku64(uint64(i16), ci16&0xffffffffffffffff)
+	chku64(uint64(i32), ci32&0xffffffffffffffff)
+	chku64(uint64(i64), ci64&0xffffffffffffffff)
+	chku64(uint64(u8), cu8&0xffffffffffffffff)
+	chku64(uint64(u16), cu16&0xffffffffffffffff)
+	chku64(uint64(u32), cu32&0xffffffffffffffff)
+	chku64(uint64(u64), cu64&0xffffffffffffffff)
+	//	chku64(uint64(f32), 0)
+	//	chku64(uint64(f64), 0)
 }