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cmd/compile: miscompilation of some arithmetic and conditionals on arm [1.15 backport] #42930

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gopherbot opened this issue Dec 1, 2020 · 2 comments
Open

cmd/compile: miscompilation of some arithmetic and conditionals on arm [1.15 backport] #42930

gopherbot opened this issue Dec 1, 2020 · 2 comments
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Go1.15.7

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@gopherbot
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@gopherbot gopherbot commented Dec 1, 2020

@zx2c4 requested issue #42876 to be considered for backport to the next 1.15 minor release.

@gopherbot please backport this because compiler bugs in bitmath seem worrisome
@gopherbot gopherbot mentioned this issue Dec 1, 2020
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@gopherbot gopherbot added this to the Go1.15.6 milestone Dec 1, 2020
@cagedmantis cagedmantis modified the milestones: Go1.15.6, Go1.15.7 Dec 3, 2020
@toothrot
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@toothrot toothrot commented Jan 7, 2021

Approving as a serious issue with no workaround.
@gopherbot
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@gopherbot gopherbot commented Jan 7, 2021

Change https://golang.org/cl/282432 mentions this issue: [release-branch.go1.15] cmd/compile: do not assume TST and TEQ set V on arm
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