libgo: update to Go 1.12.1

    
    Reviewed-on: https://go-review.googlesource.com/c/gofrontend/+/167749

From-SVN: r269780

3 files changed, 44 insertions, 0 deletions

diff --git a/libgo/misc/cgo/test/testdata/issue30527.go b/libgo/misc/cgo/test/testdata/issue30527.go
new file mode 100644
index 0000000..4ea7d31
--- /dev/null
+++ b/libgo/misc/cgo/test/testdata/issue30527.go
@@ -0,0 +1,14 @@
+// Copyright 2019 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 30527: function call rewriting casts untyped
+// constants to int because of ":=" usage.
+
+package cgotest
+
+import "cgotest/issue30527"
+
+func issue30527G() {
+	issue30527.G(nil)
+}
diff --git a/libgo/misc/cgo/test/testdata/issue30527/a.go b/libgo/misc/cgo/test/testdata/issue30527/a.go
new file mode 100644
index 0000000..eb50147
--- /dev/null
+++ b/libgo/misc/cgo/test/testdata/issue30527/a.go
@@ -0,0 +1,19 @@
+// Copyright 2019 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 issue30527
+
+import "math"
+
+/*
+#include <inttypes.h>
+
+static void issue30527F(char **p, uint64_t mod, uint32_t unused) {}
+*/
+import "C"
+
+func G(p **C.char) {
+	C.issue30527F(p, math.MaxUint64, 1)
+	C.issue30527F(p, 1<<64-1, Z)
+}
diff --git a/libgo/misc/cgo/test/testdata/issue30527/b.go b/libgo/misc/cgo/test/testdata/issue30527/b.go
new file mode 100644
index 0000000..87e8255
--- /dev/null
+++ b/libgo/misc/cgo/test/testdata/issue30527/b.go
@@ -0,0 +1,11 @@
+// Copyright 2019 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 issue30527
+
+const (
+	X = 1 << iota
+	Y
+	Z
+)