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zdjones ba068c1a6f cmd/compile: rename poset method dominates to reaches
The partially ordered set uses a method named 'dominates' to determine whether
two nodes are partially ordered. Dominates does a depth-first search of the
DAG, beginning at the source node, and returns true as soon as it finds a path
to the target node. In the context of the forest-of-DAGs that makes up the
poset, dominates is not necessarily checking dominance, but is checking
reachability. See the issue tracker for a more detailed discussion of the
difference.

Fortunately, reachability is logically correct everywhere dominates is currently
used in poset.go. Reachability within a DAG is sufficient to establish the
partial ordering (source < target).

This CL changes the name of the method (dominates -> reaches) and updates
all the comments in the file accordingly.

Fixes #33971.

Change-Id: Ia3a34f7b14b363801d75b05099cfc686035f7d96
Reviewed-on: https://go-review.googlesource.com/c/go/+/192617
Reviewed-by: Giovanni Bajo <rasky@develer.com>
Run-TryBot: Giovanni Bajo <rasky@develer.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2019-08-30 17:22:14 +00:00
.github .github: don't render author-facing text in ISSUE_TEMPLATE 2018-11-02 04:47:34 +00:00
api api/go1.13: add debug/elf.Symbol fields added in CL 184099 2019-08-08 18:44:16 +00:00
doc crypto/tls: make SSLv3 again disabled by default 2019-08-27 20:43:47 +00:00
lib/time lib/time: update tz data to 2019b 2019-07-03 23:08:27 +00:00
misc Revert "runtime: don't forward SIGPIPE on macOS" 2019-08-29 15:37:46 +00:00
src cmd/compile: rename poset method dominates to reaches 2019-08-30 17:22:14 +00:00
test internal/fmtsort: don't out-of-bounds panic if there's a race condition 2019-08-30 05:41:23 +00:00
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AUTHORS A: Add Maya Rashish (individual CLA) 2019-04-23 14:40:30 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS CONTRIBUTORS: second round of updates for Go 1.13 2019-08-28 21:48:01 +00:00
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