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Austin Clements 4816eface1 cmd/compile: derive len/cap relations in factsTable.update
Currently, the prove pass derives implicit relations between len and
cap in the code that adds branch conditions. This is fine right now
because that's the only place we can encounter len and cap, but we're
about to add a second way to add assertions to the facts table that
can also produce facts involving len and cap.

Prepare for this by moving the fact derivation from updateRestrictions
(where it only applies on branches) to factsTable.update, which can
derive these facts no matter where the root facts come from.

Passes toolstash -cmp.

Change-Id: If09692d9eb98ffaa93f4cfa58ed2d8ba0887c111
Reviewed-on: https://go-review.googlesource.com/102602
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: David Chase <drchase@google.com>
2018-05-22 14:15:43 +00:00
.github github: update Pull Request template 2018-02-21 02:07:46 +00:00
api syscall: introduce Pointer type and use it instead of uintptr 2018-04-18 08:50:42 +00:00
doc doc/contribute.html: remove superfluous article 2018-05-16 12:26:53 +00:00
lib/time all: use HTTPS for iana.org links 2018-02-13 18:36:48 +00:00
misc misc/wasm: make wasm_exec.js more flexible 2018-05-18 18:16:50 +00:00
src cmd/compile: derive len/cap relations in factsTable.update 2018-05-22 14:15:43 +00:00
test cmd/compile: remove now-irrelevant test 2018-05-14 20:33:00 +00:00
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.gitignore .gitignore: ignore src/cmd/dist/dist 2017-10-28 21:55:49 +00:00
AUTHORS A+C: update email address 2018-04-14 19:28:37 +00:00
CONTRIBUTING.md all: restore changes from faulty merge/revert 2018-02-12 20:13:59 +00:00
CONTRIBUTORS C: add Iskander Sharipov's individual CLA mail 2018-04-16 04:49:46 +00:00
favicon.ico website: recreate 16px and 32px favicon 2016-08-25 15:43:32 +00:00
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