From 109be507377fe7f6e8819ac94041d3fdcdf6fd2f Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 28 Apr 2024 15:18:25 +0200 Subject: Adding upstream version 1.19.8. Signed-off-by: Daniel Baumann --- test/fixedbugs/bug456.go | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 test/fixedbugs/bug456.go (limited to 'test/fixedbugs/bug456.go') diff --git a/test/fixedbugs/bug456.go b/test/fixedbugs/bug456.go new file mode 100644 index 0000000..c77a76d --- /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") + } +} -- cgit v1.2.3