Add Go frontend, libgo library, and Go testsuite.

gcc/:
	* gcc.c (default_compilers): Add entry for ".go".
	* common.opt: Add -static-libgo as a driver option.
	* doc/install.texi (Configuration): Mention libgo as an option for
	--enable-shared.  Mention go as an option for --enable-languages.
	* doc/invoke.texi (Overall Options): Mention .go as a file name
	suffix.  Mention go as a -x option.
	* doc/frontends.texi (G++ and GCC): Mention Go as a supported
	language.
	* doc/sourcebuild.texi (Top Level): Mention libgo.
	* doc/standards.texi (Standards): Add section on Go language.
	Move references for other languages into their own section.
	* doc/contrib.texi (Contributors): Mention that I contributed the
	Go frontend.
gcc/testsuite/:
	* lib/go.exp: New file.
	* lib/go-dg.exp: New file.
	* lib/go-torture.exp: New file.
	* lib/target-supports.exp (check_compile): Match // Go.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@167407 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 53 insertions, 0 deletions

diff --git a/gcc/testsuite/go.test/test/assign.go b/gcc/testsuite/go.test/test/assign.go
new file mode 100644
index 00000000000..59471388c06
--- /dev/null
+++ b/gcc/testsuite/go.test/test/assign.go
@@ -0,0 +1,53 @@
+// errchk $G -e $D/$F.go
+
+// 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
+
+import "sync"
+
+type T struct {
+	int
+	sync.Mutex
+}
+
+func main() {
+	{
+		var x, y sync.Mutex
+		x = y	// ERROR "assignment.*Mutex"
+		_ = x
+	}
+	{
+		var x, y T
+		x = y	// ERROR "assignment.*Mutex"
+		_ = x
+	}
+	{
+		var x, y [2]sync.Mutex
+		x = y	// ERROR "assignment.*Mutex"
+		_ = x
+	}
+	{
+		var x, y [2]T
+		x = y	// ERROR "assignment.*Mutex"
+		_ = x
+	}
+	{
+		x := sync.Mutex{0, 0}	// ERROR "assignment.*Mutex"
+		_ = x
+	}
+	{
+		x := sync.Mutex{key: 0}	// ERROR "(unknown|assignment).*Mutex"
+		_ = x
+	}
+	{
+		x := &sync.Mutex{}	// ok
+		var y sync.Mutex	// ok
+		y = *x	// ERROR "assignment.*Mutex"
+		*x = y	// ERROR "assignment.*Mutex"
+		_ = x
+		_ = y
+	}		
+}