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cmd/compile: internal compiler error: Expand calls interface data problem [1.16 backport] #49391

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gopherbot opened this issue Nov 5, 2021 · 3 comments
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cmd/compile: internal compiler error: Expand calls interface data problem [1.16 backport] #49391

gopherbot opened this issue Nov 5, 2021 · 3 comments
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CherryPickApproved Used during the release process for point releases FrozenDueToAge
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Go1.16.11

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@gopherbot
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@cuonglm requested issue #49378 to be considered for backport to the next 1.16 minor release.

@gopherbot please open backport to 1.16 and 1.17

cc @randall77 @dr2chase
@gopherbot gopherbot added the CherryPickCandidate Used during the release process for point releases label Nov 5, 2021
@gopherbot gopherbot mentioned this issue Nov 5, 2021
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@gopherbot gopherbot added this to the Go1.16.11 milestone Nov 5, 2021
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Change https://golang.org/cl/361597 mentions this issue: [release-branch.go1.16] cmd/compile: only update source type when processing struct/array

@heschi heschi added the CherryPickApproved Used during the release process for point releases label Nov 24, 2021
@gopherbot gopherbot removed the CherryPickCandidate Used during the release process for point releases label Nov 24, 2021
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heschi commented Nov 24, 2021

@randall77 @dr2chase This cherrypick's CL still needs review.

gopherbot pushed a commit that referenced this issue Dec 2, 2021
@cuonglm @mknyszek
[release-branch.go1.16] cmd/compile: only update source type when pro…
8a12f5d 
…cessing struct/array

This is backport of CL 3651594, with the test from CL 360057.

CL 360057 fixed missing update source type in storeArgOrLoad. However,
we should only update the type when processing struct/array. If we
update the type right before calling storeArgOrLoad, we may generate a
value with invalid type, e.g, OpStructSelect with non-struct type.

Fixes #49391

Change-Id: Ib7e10f72f818880f550aae5c9f653db463ce29b0
Reviewed-on: https://go-review.googlesource.com/c/go/+/361594
Trust: Cuong Manh Le <[email protected]>
Run-TryBot: Cuong Manh Le <[email protected]>
TryBot-Result: Go Bot <[email protected]>
Reviewed-by: David Chase <[email protected]>
Reviewed-on: https://go-review.googlesource.com/c/go/+/361597
TryBot-Result: Gopher Robot <[email protected]>
Reviewed-by: Keith Randall <[email protected]>
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Closed by merging 8a12f5d to release-branch.go1.16.

@golang golang locked and limited conversation to collaborators Dec 2, 2022
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