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Keith Randall 7863f742c4 [release-branch.go1.15] cmd/compile: fix left shift constant folding rule
The 32-bit left shift constant folding rule should keep its result
properly sign extended.

Fixes #41720
Fixes #41711

Change-Id: I0fc74444d444274e911952e1725dab0b7737a846
Reviewed-on: https://go-review.googlesource.com/c/go/+/258817
Trust: Keith Randall <khr@golang.org>
Run-TryBot: Keith Randall <khr@golang.org>
Reviewed-by: David Chase <drchase@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
2020-10-14 15:13:22 +00:00
.github .github: add link to questions in ISSUE_TEMPLATE 2020-01-06 17:05:31 +00:00
api go/printer: remove exported StdFormat flag 2020-07-17 02:15:01 +00:00
doc [release-branch.go1.15] doc/go1.14: document json.Umarshal map key support of TextUnmarshaler 2020-09-02 13:39:54 +00:00
lib/time lib/time, time/tzdata: update tz data to 2020a 2020-04-30 08:07:39 +00:00
misc [release-branch.go1.15] cmd/compile: export notinheap annotation to object file 2020-10-12 15:15:57 +00:00
src [release-branch.go1.15] cmd/compile: fix left shift constant folding rule 2020-10-14 15:13:22 +00:00
test [release-branch.go1.15] cmd/compile: fix left shift constant folding rule 2020-10-14 15:13:22 +00:00
.gitattributes all: treat all files as binary, but check in .bat with CRLF 2020-06-08 15:31:43 +00:00
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AUTHORS A+C: add Kush Patel (corporate CLA for Hootsuite Inc) 2020-07-08 00:10:44 +00:00
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CONTRIBUTORS [release-branch.go1.15] all: merge master into release-branch.go1.15 2020-08-11 17:05:57 +00:00
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VERSION [release-branch.go1.15] go1.15.2 2020-09-09 16:38:12 +00:00

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