debug/gosym: fix TestPCLine on Plan 9

Plan 9 doesn't define main, so the INITENTRY
symbol remains with the SXREF type, which leads
Entryvalue to fail on "entry not text: main".

Fixes #14536.

Change-Id: Id9b7d61e5c2202aba3ec9cd52f5b56e0a38f7c47
Reviewed-on: https://go-review.googlesource.com/19973
Run-TryBot: David du Colombier <0intro@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>

diff --git a/src/debug/gosym/pclntab_test.go b/src/debug/gosym/pclntab_test.go
index 8d4aa547a020b38e3b4eeae3abf3bf1d09b68f42..355bb0433ed61cf0c6fdd1d6c5ef1f0d3f377c00 100644 (file)
--- a/src/debug/gosym/pclntab_test.go
+++ b/src/debug/gosym/pclntab_test.go
@@ -42,7 +42,7 @@ func dotest(t *testing.T) {
        if err := cmd.Run(); err != nil {
                t.Fatal(err)
        }
-       cmd = exec.Command("go", "tool", "link", "-H", "linux", "-E", "main",
+       cmd = exec.Command("go", "tool", "link", "-H", "linux",
                "-o", pclinetestBinary, pclinetestBinary+".o")
        cmd.Stdout = os.Stdout
        cmd.Stderr = os.Stderr