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In Undo, debuggee state is immutable during replay, so reading the G pointer via code injection won't work; and in any case, this approach is simpler.
* Update the documentation to mention UDB or LiveRecorder alongside rr. * Add makefile support for testing the Undo backend. * Add DLV_RECORD_REPLAY_BACKEND environment variable which overrides the record-replay backend, for use in GoLand. * Implement checkpoints as a map from checkpoint number to time. * Suppress resume call after restart. * Implement "when" command using "get_time" serial command. * Implement call injection using "set_debuggee_volatile". * Implement "restart" using "goto_time". * Enable or disable Undo backend appropriately in test cases.
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This pull request represents the differences between upstream Delve v1.8.3, and our fork at the same version. It is for review and not for merge.