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Diffstat (limited to 'test/fixedbugs/issue9608.dir/issue9608.go')
-rw-r--r-- | test/fixedbugs/issue9608.dir/issue9608.go | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/test/fixedbugs/issue9608.dir/issue9608.go b/test/fixedbugs/issue9608.dir/issue9608.go new file mode 100644 index 0000000..ca82ded --- /dev/null +++ b/test/fixedbugs/issue9608.dir/issue9608.go @@ -0,0 +1,82 @@ +// Copyright 2015 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. + +package main + +func fail() // unimplemented, to test dead code elimination + +// Test dead code elimination in if statements +func init() { + if false { + fail() + } + if 0 == 1 { + fail() + } +} + +// Test dead code elimination in ordinary switch statements +func init() { + const x = 0 + switch x { + case 1: + fail() + } + + switch 1 { + case x: + fail() + } + + switch { + case false: + fail() + } + + const a = "a" + switch a { + case "b": + fail() + } + + const snowman = '☃' + switch snowman { + case '☀': + fail() + } + + const zero = float64(0.0) + const one = float64(1.0) + switch one { + case -1.0: + fail() + case zero: + fail() + } + + switch 1.0i { + case 1: + fail() + case -1i: + fail() + } + + const no = false + switch no { + case true: + fail() + } + + // Test dead code elimination in large ranges. + switch 5 { + case 3, 4, 5, 6, 7: + case 0, 1, 2: + fail() + default: + fail() + } +} + +func main() { +} |