test: match gccgo error messages

R=iant, golang-dev
CC=golang-dev
https://golang.org/cl/10365052

test/fixedbugs/bug205.go

@@ -11,8 +11,8 @@ var s string;
 var m map[string]int;
 
 func main() {
-	println(t["hi"]);	// ERROR "non-integer slice index"
+	println(t["hi"]); // ERROR "non-integer slice index|must be integer"
-	println(s["hi"]);	// ERROR "non-integer string index"
+	println(s["hi"]); // ERROR "non-integer string index|must be integer"
-	println(m[0]);	// ERROR "as type string in map index"
+	println(m[0]);    // ERROR "cannot use.*as type string"
 }
 

test/fixedbugs/bug459.go

@@ -9,7 +9,7 @@
 
 package flag
 
-var commandLine = NewFlagSet() // ERROR "loop"
+var commandLine = NewFlagSet() // ERROR "loop|depends upon itself"
 
 type FlagSet struct {
 }

test/fixedbugs/issue3783.go

@@ -8,5 +8,5 @@ package foo
 
 var i int
 
-func (*i) bar() // ERROR "not a type"
+func (*i) bar() // ERROR "not a type|expected type"
 

test/fixedbugs/issue3925.go

@@ -12,12 +12,12 @@ package foo
 
 var _ = map[string]string{
 	"1": "2",
-	"3", "4", // ERROR "missing key"
+	"3", "4", // ERROR "missing key|must have keys"
 }
 
 var _ = []string{
 	"foo",
 	"bar",
-	20, // ERROR "cannot use"
+	20, // ERROR "cannot use|incompatible type"
 }
 

test/fixedbugs/issue4097.go

@@ -7,5 +7,5 @@
 package foo
 
 var s [][10]int
-const m = len(s[len(s)-1]) // ERROR "is not a constant" 
+const m = len(s[len(s)-1]) // ERROR "is not a constant|is not constant" 
 

test/fixedbugs/issue4458.go

@@ -16,5 +16,5 @@ func (T) foo() {}
 func main() {
 	av := T{}
 	pav := &av
-	(**T).foo(&pav) // ERROR "no method foo"
+	(**T).foo(&pav) // ERROR "no method foo|requires named type or pointer to named"
 }

test/fixedbugs/issue4545.go

@@ -13,7 +13,7 @@ import "fmt"
 
 func main() {
 	var s uint
-	fmt.Println(1.0 + 1<<s) // ERROR "invalid operation"
+	fmt.Println(1.0 + 1<<s) // ERROR "invalid operation|non-integer type"
-	x := 1.0 + 1<<s         // ERROR "invalid operation"
+	x := 1.0 + 1<<s         // ERROR "invalid operation|non-integer type"
 	_ = x
 }