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[dev.link] cmd/link: delete ctxt.Reachparent

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It is no longer needed as we have converted the fieldtrack pass
to using the loader.

Also free loader.Reachparent after we are done with it.

Change-Id: Ibc4b29f282e1e4aea363a1b549755e31f84b0295
Reviewed-on: https://go-review.googlesource.com/c/go/+/229322
Run-TryBot: Cherry Zhang <cherryyz@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Jeremy Faller <jeremy@golang.org>
This commit is contained in:
Cherry Zhang 2020-04-21 19:54:37 -04:00
parent 9570fc8f71
commit 245a2f5780
6 changed files with 5 additions and 18 deletions
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9
src/cmd/link/internal/loader/loader.go
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@ -2128,7 +2128,7 @@ func (l *Loader) PropagateLoaderChangesToSymbols(toconvert []Sym, anonVerReplace
// ExtractSymbols grabs the symbols out of the loader for work that hasn't been
// ported to the new symbol type.
func (l *Loader) ExtractSymbols(syms *sym.Symbols, rp map[*sym.Symbol]*sym.Symbol) {
func (l *Loader) ExtractSymbols(syms *sym.Symbols) {
// Add symbols to the ctxt.Syms lookup table. This explicitly skips things
// created via loader.Create (marked with versions less than zero), since
// if we tried to add these we'd wind up with collisions. We do, however,
@ -2148,13 +2148,6 @@ func (l *Loader) ExtractSymbols(syms *sym.Symbols, rp map[*sym.Symbol]*sym.Symbo
}
}
for i, s := range l.Reachparent {
if i == 0 {
continue
}
rp[l.Syms[i]] = l.Syms[s]
}
// Provide lookup functions for sym.Symbols.
l.SymLookup = func(name string, ver int) *sym.Symbol {
i := l.LookupOrCreateSym(name, ver)