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+2019-09-10 Andrew J. Schorr <aschorr@telemetry-investments.com>
+
+ * awk.h (block_header): Remove cnt field and replace it with
+ highwater. If MEMDEBUG is defined, add active counter.
+ * node.c (r_getblock): The cnt field was replaced by active. Update
+ highwater as appropriate.
+ (r_freeblock): Decrement the active counter (renamed from cnt).
+ (more_blocks): Bump the highwater counter (renamed from cnt).
+ * builtin.c (do_typeof): When providing PROCINFO debug memory stats,
+ replace count_<blah> with <blah>_active and <blah>_highwater. When
+ MEMDEBUG is not set, we calculate the active value by subtracting the
+ number of elements in the free list from the highwater value.
+
2019-09-01 Arnold D. Robbins <arnold@skeeve.com>
* profile.c (pp_list, pp_concat): Fix use-after-free errors