patch 8.0.0607: after :bwipe + :new bufref might still be valid commit https://github.com/vim/vim/commit/45e5fd135da5710f24a1acc142692f120f8b0b78 Author: Bram Moolenaar <Bram@vim.org> Date: Sun Jun 4 14:58:02 2017 +0200 patch 8.0.0607: after :bwipe + :new bufref might still be valid Problem: When creating a bufref, then using :bwipe and :new it might get the same memory and bufref_valid() returns true. Solution: Add br_fnum to check the buffer number didn't change.

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