cmd/objdump: make test independent of inlining

Fixes #19189.

Change-Id: Ice69216c7fc2eaeb3dbbdcd08a8284204c7f52ef
Reviewed-on: https://go-review.googlesource.com/37237
Run-TryBot: David Lazar <lazard@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Keith Randall <khr@golang.org>

src/cmd/objdump/objdump_test.go

@@ -60,7 +60,7 @@ var x86Need = []string{
 	"fmthello.go:6",
 	"TEXT main.main(SB)",
 	"JMP main.main(SB)",
-	"CALL fmt.Println(SB)",
+	"CALL main.Println(SB)",
 	"RET",
 }
 
@@ -68,7 +68,7 @@ var armNeed = []string{
 	"fmthello.go:6",
 	"TEXT main.main(SB)",
 	//"B.LS main.main(SB)", // TODO(rsc): restore; golang.org/issue/9021
-	"BL fmt.Println(SB)",
+	"BL main.Println(SB)",
 	"RET",
 }
 
@@ -76,7 +76,7 @@ var ppcNeed = []string{
 	"fmthello.go:6",
 	"TEXT main.main(SB)",
 	"BR main.main(SB)",
-	"CALL fmt.Println(SB)",
+	"CALL main.Println(SB)",
 	"RET",
 }
 

src/cmd/objdump/testdata/fmthello.go

@@ -3,5 +3,10 @@ package main
 import "fmt"
 
 func main() {
-	fmt.Println("hello, world")
+	Println("hello, world")
+}
+
+//go:noinline
+func Println(s string) {
+	fmt.Println(s)
 }