1 files changed, 88 insertions, 0 deletions
diff --git a/test/fixedbugs/issue5162.go b/test/fixedbugs/issue5162.go
new file mode 100644
index 0000000..b14eae7
--- /dev/null
+++ b/test/fixedbugs/issue5162.go
@@ -0,0 +1,88 @@
+// runoutput
+
+// 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.
+
+// issue 5162: bad array equality when multiple comparisons
+// happen in the same expression.
+
+package main
+
+import (
+	"fmt"
+	"strings"
+)
+
+const template = `
+func CheckEqNNN_TTT() {
+	onesA := [NNN]ttt{ONES}
+	onesB := [NNN]ttt{ONES}
+	twos := [NNN]ttt{TWOS}
+	if onesA != onesB {
+		println("onesA != onesB in CheckEqNNN_TTT")
+	}
+	if onesA == twos {
+		println("onesA == twos in CheckEqNNN_TTT")
+	}
+	if onesB == twos {
+		println("onesB == twos in CheckEqNNN_TTT")
+	}
+	if s := fmt.Sprint(onesA == onesB, onesA != twos, onesB != twos); s != "true true true" {
+		println("fail in CheckEqNNN_TTT:", s)
+	}
+}
+
+func CheckEqNNN_TTTExtraVar() {
+	onesA := [NNN]ttt{ONES}
+	onesB := [NNN]ttt{ONES}
+	twos := [NNN]ttt{TWOS}
+	onesX := onesA
+	if onesA != onesB {
+		println("onesA != onesB in CheckEqNNN_TTTExtraVar")
+	}
+	if onesA == twos {
+		println("onesA == twos in CheckEqNNN_TTTExtraVar")
+	}
+	if onesB == twos {
+		println("onesB == twos in CheckEqNNN_TTTExtraVar")
+	}
+	if s := fmt.Sprint(onesA == onesB, onesA != twos, onesB != twos); s != "true true true" {
+		println("fail in CheckEqNNN_TTTExtraVar:", s)
+	}
+	if s := fmt.Sprint(onesB == onesX); s != "true" {
+		println("extra var fail in CheckEqNNN_TTTExtraVar")
+	}
+}
+`
+
+func main() {
+	fmt.Print("// run\n\n")
+	fmt.Print("// THIS FILE IS AUTO-GENERATED\n\n")
+	fmt.Print("package main\n\n")
+	fmt.Println(`import "fmt"`)
+
+	types := []string{
+		"int", "int8", "int16", "int32", "int64",
+		"uint", "uint8", "uint16", "uint32", "uint64",
+		"float32", "float64"}
+	tocall := make([]string, 0, 32*len(types))
+	for i := 1; i <= 32; i++ {
+		for _, typ := range types {
+			src := template
+			src = strings.Replace(src, "NNN", fmt.Sprint(i), -1)
+			src = strings.Replace(src, "TTT", strings.Title(typ), -1)
+			src = strings.Replace(src, "ttt", typ, -1)
+			src = strings.Replace(src, "ONES", "1"+strings.Repeat(", 1", i-1), -1)
+			src = strings.Replace(src, "TWOS", "2"+strings.Repeat(", 2", i-1), -1)
+			fmt.Print(src)
+			tocall = append(tocall, fmt.Sprintf("CheckEq%d_%s", i, strings.Title(typ)))
+		}
+	}
+	fmt.Println("func main() {")
+	for _, fun := range tocall {
+		fmt.Printf("\t%s()\n", fun)
+		fmt.Printf("\t%sExtraVar()\n", fun)
+	}
+	fmt.Println("}")
+}