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cmd/compile: pointer shaped type with more than one field causes allocation when cast to interface

BugReportIssues describing a possible bug in the Go implementation.Issues describing a possible bug in the Go implementation.

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

NeedsFixThe path to resolution is known, but the work has not been done.The path to resolution is known, but the work has not been done.

Performance

Status: Open.

#74092 In golang/go;

· mcy opened on Jun 11, 2025

build: adopt Go 1.24 as bootstrap toolchain for Go 1.26

NeedsFixThe path to resolution is known, but the work has not been done.The path to resolution is known, but the work has not been done.

Status: Open.

#69315 In golang/go;

· dmitshur opened on Sep 6, 2024

internal/goversion: increment Version at start of cycle

early-in-cycleA change that should be done early in the 3 month dev cycle.A change that should be done early in the 3 month dev cycle.

NeedsFixThe path to resolution is known, but the work has not been done.The path to resolution is known, but the work has not been done.

recurringIssues that should never be closed, but moved to the next milestone once fixed in the current one.Issues that should never be closed, but moved to the next milestone once fixed in the current one.

release-blocker

Status: Open.

#40705 In golang/go;

· dmitshur opened on Aug 11, 2020

all: remove support for windows/arm

arch-armIssues solely affecting the 32-bit arm architecture.Issues solely affecting the 32-bit arm architecture.

FixPendingIssues that have a fix which has not yet been reviewed or submitted.Issues that have a fix which has not yet been reviewed or submitted.

OS-Windows

Proposal

Proposal-Accepted

release-blocker

Status: Open.

#71671 In golang/go;

· qmuntal opened on Feb 11, 2025

all: announce end of support for old macOS releases

Buildersx/build issues (builders, bots, dashboards)x/build issues (builders, bots, dashboards)

DocumentationIssues describing a change to documentation.Issues describing a change to documentation.

NeedsFixThe path to resolution is known, but the work has not been done.The path to resolution is known, but the work has not been done.

OS-Darwin

recurringIssues that should never be closed, but moved to the next milestone once fixed in the current one.Issues that should never be closed, but moved to the next milestone once fixed in the current one.

release-blocker

Status: Open.

#23011 In golang/go;

· bradfitz opened on Dec 6, 2017

runtime: green tea garbage collector

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

Status: Open.

#73581 In golang/go;

· mknyszek opened on May 2, 2025

cmd/compile: play better with perf

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

ImplementationIssues describing a semantics-preserving change to the Go implementation.Issues describing a semantics-preserving change to the Go implementation.

Status: Open.

#73753 In golang/go;

· randall77 opened on May 16, 2025

all: announce end of support for old Windows releases

Buildersx/build issues (builders, bots, dashboards)x/build issues (builders, bots, dashboards)

DocumentationIssues describing a change to documentation.Issues describing a change to documentation.

NeedsFixThe path to resolution is known, but the work has not been done.The path to resolution is known, but the work has not been done.

OS-Windows

recurringIssues that should never be closed, but moved to the next milestone once fixed in the current one.Issues that should never be closed, but moved to the next milestone once fixed in the current one.

release-blocker

Status: Open.

#52188 In golang/go;

· cagedmantis opened on Apr 6, 2022

all: announce end of support for old Linux versions

Buildersx/build issues (builders, bots, dashboards)x/build issues (builders, bots, dashboards)

DocumentationIssues describing a change to documentation.Issues describing a change to documentation.

NeedsFixThe path to resolution is known, but the work has not been done.The path to resolution is known, but the work has not been done.

recurringIssues that should never be closed, but moved to the next milestone once fixed in the current one.Issues that should never be closed, but moved to the next milestone once fixed in the current one.

release-blocker

Status: Open.

#60792 In golang/go;

· dmitshur opened on Jun 14, 2023

x/build/internal/releasetargets: update for each upcoming major Go release

Buildersx/build issues (builders, bots, dashboards)x/build issues (builders, bots, dashboards)

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

recurringIssues that should never be closed, but moved to the next milestone once fixed in the current one.Issues that should never be closed, but moved to the next milestone once fixed in the current one.

release-blocker

Status: Open.

#40561 In golang/go;

· dmitshur opened on Aug 4, 2020

proposal: cmd/vet: warn about copying a time.Timer value

Proposal

Status: Open.

#69186 In golang/go;

· tulir opened on Aug 31, 2024

go/types, types2: error reported for valid shifts

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

Status: Open.

#52080 In golang/go;

· griesemer opened on Mar 31, 2022

go/ast: Free-floating comments are single-biggest issue when manipulating the AST

RefactoringIssues related to refactoring toolsIssues related to refactoring tools

Status: Open.

#20744 In golang/go;

· griesemer opened on Jun 21, 2017

runtime/trace, x/exp/trace: explicitly encode end of trace and surface it in parser

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

FeatureRequestIssues asking for a new feature that does not need a proposal.Issues asking for a new feature that does not need a proposal.

NeedsFixThe path to resolution is known, but the work has not been done.The path to resolution is known, but the work has not been done.

Status: Open.

#73904 In golang/go;

· dominikh opened on May 28, 2025

runtime: long stop-the-world due to scavenging when exceeding GOMEMLIMIT

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

Status: Open.

#73835 In golang/go;

· nsrip-dd opened on May 22, 2025

runtime: declare time.Timer with same shape as runtime.timeTimer

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

LibraryProposalIssues describing a requested change to the Go standard library or x/ libraries, but not to a toolIssues describing a requested change to the Go standard library or x/ libraries, but not to a tool

Status: Open.

#73886 In golang/go;

· adonovan opened on May 27, 2025

runtime: goroutine starvation with runnext and short-running goroutines

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

Status: Open.

#73964 In golang/go;

· prattmic opened on Jun 3, 2025

cmd/compile: update compiler's PGO profile

Buildersx/build issues (builders, bots, dashboards)x/build issues (builders, bots, dashboards)

NeedsFixThe path to resolution is known, but the work has not been done.The path to resolution is known, but the work has not been done.

recurringIssues that should never be closed, but moved to the next milestone once fixed in the current one.Issues that should never be closed, but moved to the next milestone once fixed in the current one.

release-blocker

Status: Open.

#60234 In golang/go;

· cherrymui opened on May 16, 2023

cmd/compile: inconsistency with whether wrapper shows in traceback in race mode when method is tail call optimized

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

Status: Open.

#73915 In golang/go;

· amusman opened on May 29, 2025

testing/synctest: remove Run in Go 1.26

LibraryProposalIssues describing a requested change to the Go standard library or x/ libraries, but not to a toolIssues describing a requested change to the Go standard library or x/ libraries, but not to a tool

NeedsFixThe path to resolution is known, but the work has not been done.The path to resolution is known, but the work has not been done.

release-blocker

Status: Open.

#74012 In golang/go;

· neild opened on Jun 5, 2025

all: update standard-library dependencies at the start and end of each development cycle

NeedsFixThe path to resolution is known, but the work has not been done.The path to resolution is known, but the work has not been done.

recurringIssues that should never be closed, but moved to the next milestone once fixed in the current one.Issues that should never be closed, but moved to the next milestone once fixed in the current one.

release-blocker

Status: Open.

#36905 In golang/go;

· bcmills opened on Jan 30, 2020

testing: annotate output text type

FixPendingIssues that have a fix which has not yet been reviewed or submitted.Issues that have a fix which has not yet been reviewed or submitted.

Proposal

Proposal-Accepted

Status: Open.

#62728 In golang/go;

· mknyszek opened on Sep 19, 2023

go/types,cmd/compile/internal/types2: shared type expressions are evaluated once per variable

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

FeatureRequestIssues asking for a new feature that does not need a proposal.Issues asking for a new feature that does not need a proposal.

NeedsDecisionFeedback is required from experts, contributors, and/or the community before a change can be made.Feedback is required from experts, contributors, and/or the community before a change can be made.

Status: Open.

#46208 In golang/go;

· mdempsky opened on May 17, 2021

go/types, types2: consolidate error message formats

NeedsDecisionFeedback is required from experts, contributors, and/or the community before a change can be made.Feedback is required from experts, contributors, and/or the community before a change can be made.

Status: Open.

#49123 In golang/go;

· griesemer opened on Oct 23, 2021

reflect: verify/ensure that reflect supports the same string/[]byte/[]rune conversions as the spec/implementation

compiler/runtimeIssues related to the Go compiler and/or runtime.Issues related to the Go compiler and/or runtime.

NeedsInvestigationSomeone must examine and confirm this is a valid issue and not a duplicate of an existing one.Someone must examine and confirm this is a valid issue and not a duplicate of an existing one.

Status: Open.

#53523 In golang/go;

· griesemer opened on Jun 23, 2022