println(extern)
		}`)
	tg.run("run", "-ldflags", `-X "main.extern=hello world"`, tg.path("main.go"))
	tg.grepStderr("^hello world", `ldflags -X "main.extern=hello world"' failed`)
}

func TestLdFlagsLongArgumentsIssue42295(t *testing.T) {
	// Test the extremely long command line arguments that contain '\n' characters
	// get encoded and passed correctly.
	skipIfGccgo(t, "gccgo does not support -ldflags -X")