Cuong Manh Le ca5f65d771 cmd/compile: fix generic type handling when crawling inline body ... For base generic type that is written to export file, we need to mark all of its methods, include exported+unexported methods, as reachable, so they can be available for instantiation if necessary. But markType only looks for exported methods, thus causing the crash in #49143. To fix this, we introduce new method p.markGeneric, to mark all methods of the base generic type. This issue has happend for a while (maybe since we add generic import/export during go1.18 cycle), and was un-intentionally "fixed" in CL 356254, when we agresssively call p.markEmbed(t). CL 357232 fixed that wrong agressive behavior, thus reproduce the bug on tip. Fixes #49143 Change-Id: Ie64574a05fffb282e9dcc8739df4378c5b6b0468 Reviewed-on: https://go-review.googlesource.com/c/go/+/358814 Trust: Cuong Manh Le <cuong.manhle.vn@gmail.com> Trust: Dan Scales <danscales@google.com> Run-TryBot: Cuong Manh Le <cuong.manhle.vn@gmail.com> TryBot-Result: Go Bot <gobot@golang.org> Reviewed-by: Keith Randall <khr@golang.org> Reviewed-by: Dan Scales <danscales@google.com>		2021-10-27 05:33:58 +00:00
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