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cmd/link: delete stale deadcode reference
Back when the linker did code generation after dead code elimination, it had to know that references to runtime.read_tls_fallback could be generated at code generation time (and never appear before that). Now that code generation is done by the compiler, the references to runtime.read_tls_fallback are obvious in the relocations, so the linker no longer needs special knowledge of this symbol. Change-Id: I9813a8478e85a6a13470b2d0528db53fd33fcfdf Reviewed-on: https://go-review.googlesource.com/c/154601 Run-TryBot: Austin Clements <austin@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
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@ -209,11 +209,6 @@ func (d *deadcodepass) markMethod(m methodref) {
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func (d *deadcodepass) init() {
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var names []string
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if d.ctxt.Arch.Family == sys.ARM {
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// mark some functions that are only referenced after linker code editing
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names = append(names, "runtime.read_tls_fallback")
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}
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if d.ctxt.BuildMode == BuildModeShared {
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// Mark all symbols defined in this library as reachable when
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// building a shared library.
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