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In the linker's deadcode pass we decode type symbols for interface satisfaction analysis. When linking against Go shared libraries, the type symbol may come from a shared library, so it doesn't have data in the current module being linked, so we cannot decode it. We already have code to skip DYNIMPORT symbols. However, this doesn't actually work, because at that point the type symbols' names haven't been mangled, whereas they may be mangled in the shared library. So the symbol definition (in shared library) and reference (in current module) haven't been connected. Skip decoding type symbols of type Sxxx (along with DYNIMPORT) when linkShared. Note: we cannot skip all type symbols, as we still need to mark unexported methods defined in the current module. Fixes #44031. Change-Id: I833d19a060c94edbd6fc448172358f9a7d760657 Reviewed-on: https://go-review.googlesource.com/c/go/+/288496 Trust: Cherry Zhang <cherryyz@google.com> Trust: Than McIntosh <thanm@google.com> Run-TryBot: Cherry Zhang <cherryyz@google.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Than McIntosh <thanm@google.com> |
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