/usr/share/go-1.10/test/fixedbugs/issue19947.go is in golang-1.10-src 1.10.1-1ubuntu2.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | // errorcheck
// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// No double error on ideal -> float{32,64} conversion overflow
package issue19947
var _ = float32(1) * 1e200 // ERROR "constant 1e\+200 overflows float32"
var _ = float64(1) * 1e500 // ERROR "constant 1e\+500 overflows float64"
var _ = complex64(1) * 1e200 // ERROR "constant 1e\+200 overflows complex64"
var _ = complex128(1) * 1e500 // ERROR "constant 1e\+500 overflows complex128"
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