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| author | David Crawshaw <crawshaw@golang.org> | 2016-04-19 14:02:21 -0400 |
|---|---|---|
| committer | David Crawshaw <crawshaw@golang.org> | 2016-04-21 12:02:20 +0000 |
| commit | 7d56215bcbc5a2ef5e59805271b0ca6a4fd56e4d (patch) | |
| tree | 6104b2e47ed48c24060d7222abc983678ecfc54b /src/cmd/link/internal/ld/deadcode.go | |
| parent | 5a0881a1d1797a5f34c33ec4cf67cb97cc1aa634 (diff) | |
| download | go-7d56215bcbc5a2ef5e59805271b0ca6a4fd56e4d.tar.xz | |
cmd/link: convert textp into a slice
Updates #15374
Change-Id: I3ea715735862fe9550b88d7a29def6cb9d4419a6
Reviewed-on: https://go-review.googlesource.com/22243
Run-TryBot: David Crawshaw <crawshaw@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Michael Hudson-Doyle <michael.hudson@canonical.com>
Diffstat (limited to 'src/cmd/link/internal/ld/deadcode.go')
| -rw-r--r-- | src/cmd/link/internal/ld/deadcode.go | 22 |
1 files changed, 5 insertions, 17 deletions
diff --git a/src/cmd/link/internal/ld/deadcode.go b/src/cmd/link/internal/ld/deadcode.go index c83a104a54..6a70ff581f 100644 --- a/src/cmd/link/internal/ld/deadcode.go +++ b/src/cmd/link/internal/ld/deadcode.go @@ -119,25 +119,13 @@ func deadcode(ctxt *Link) { } // Remove dead text but keep file information (z symbols). - var last *LSym - for s := ctxt.Textp; s != nil; s = s.Next { - if !s.Attr.Reachable() { - continue + textp := make([]*LSym, 0, len(ctxt.Textp)) + for _, s := range ctxt.Textp { + if s.Attr.Reachable() { + textp = append(textp, s) } - if last == nil { - ctxt.Textp = s - } else { - last.Next = s - } - last = s - } - if last == nil { - ctxt.Textp = nil - ctxt.Etextp = nil - } else { - last.Next = nil - ctxt.Etextp = last } + ctxt.Textp = textp } var markextra = []string{ |