obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

1 files changed, 52 insertions, 0 deletions

diff --git a/gcc/testsuite/go.test/test/turing.go b/gcc/testsuite/go.test/test/turing.go
new file mode 100644
index 000000000..0af39de8b
--- /dev/null
+++ b/gcc/testsuite/go.test/test/turing.go
@@ -0,0 +1,52 @@
+// $G $F.go && $L $F.$A && ./$A.out
+
+// Copyright 2009 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
+
+// brainfuck
+
+var p, pc int
+var a [30000]byte
+const prog = "++++++++++[>+++++++>++++++++++>+++>+<<<<-]>++.>+.+++++++..+++.>++.<<+++++++++++++++.>.+++.------.--------.>+.>.!"
+
+func scan(dir int) {
+	for nest := dir; dir*nest > 0; pc += dir {
+		switch prog[pc+dir] {
+			case ']':
+				nest--
+			case '[':
+				nest++
+		}
+	}
+}
+
+func main() {
+	for {
+		switch prog[pc] {
+			case '>':
+					p++
+			case '<':
+					p--
+			case '+':
+					a[p]++
+			case '-':
+					a[p]--
+			case '.':
+					print(string(a[p]))
+			case '[':
+				if a[p] == 0 {
+					scan(1)
+				}
+			case ']':
+				if a[p] != 0 {
+					scan(-1)
+				}
+			default:
+					return
+		}
+		pc++
+	}
+}