cmd/gc: avoid duplicate allocation during inlining
Fixes #4667.
R=ken2
CC=golang-dev
https://golang.org/cl/7275046
diff --git a/test/fixedbugs/issue4667.go b/test/fixedbugs/issue4667.go
new file mode 100644
index 0000000..3a00a31
--- /dev/null
+++ b/test/fixedbugs/issue4667.go
@@ -0,0 +1,37 @@
+// run
+
+// Copyright 2013 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 (
+ "fmt"
+ "os"
+ "testing"
+)
+
+var globl *int
+
+func G() {
+ F()
+}
+
+func F() {
+ var x int
+ globl = &x
+}
+
+func main() {
+ nf := testing.AllocsPerRun(100, F)
+ ng := testing.AllocsPerRun(100, G)
+ if int(nf) != 1 {
+ fmt.Printf("AllocsPerRun(100, F) = %v, want 1\n", nf)
+ os.Exit(1)
+ }
+ if int(ng) != 1 {
+ fmt.Printf("AllocsPerRun(100, G) = %v, want 1\n", ng)
+ os.Exit(1)
+ }
+}
