diff --git a/test/fixedbugs/bug455.go b/test/fixedbugs/bug455.go new file mode 100644 index 0000000000000000000000000000000000000000..8e3c7701be03348c46eb5e1ce0f1f5e60a6af993 --- /dev/null +++ b/test/fixedbugs/bug455.go @@ -0,0 +1,54 @@ +// run + +// Copyright 2012 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. + +// Issue 4156: out of fixed registers when chaining method calls. +// Used to happen with 6g. + +package main + +type test_i interface { + Test() test_i + Result() bool +} + +type test_t struct { +} + +func newTest() *test_t { + return &test_t{} +} + +type testFn func(string) testFn + +func main() { + test := newTest() + + switch { + case test. + Test(). + Test(). + Test(). + Test(). + Test(). + Test(). + Test(). + Test(). + Test(). + Test(). + Result(): + // case worked + default: + panic("Result returned false unexpectedly") + } +} + +func (t *test_t) Test() test_i { + return t +} + +func (t *test_t) Result() bool { + return true +} diff --git a/test/fixedbugs/bug456.go b/test/fixedbugs/bug456.go new file mode 100644 index 0000000000000000000000000000000000000000..064e1aa02818ce26af0da696d1705fae1217e005 --- /dev/null +++ b/test/fixedbugs/bug456.go @@ -0,0 +1,26 @@ +// run + +// Copyright 2012 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. + +// Issue 3907: out of fixed registers in nested byte multiply. +// Used to happen with both 6g and 8g. + +package main + +func F(a, b, c, d uint8) uint8 { + return a * (b * (c * (d * + (a * (b * (c * (d * + (a * (b * (c * (d * + a * (b * (c * d))))))))))))) +} + +func main() { + var a, b, c, d uint8 = 1, 1, 1, 1 + x := F(a, b, c, d) + if x != 1 { + println(x) + panic("x != 1") + } +}