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cmd/compile: bounds check elimination for if len(x) > 32 { ...; x = x[8:]; ... }

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: Closed (completed).

#24876 In golang/go;

· by dgryski was closed on Mar 21, 2026

x/pkgsite: don't show un-runnable examples as runnable

pkgsite

Unfortunate

Status: Closed (completed).

#9679 In golang/go;

· by adg was closed on May 22, 2026

debug/elf: add File.DynValue method to look up DynTag values

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

help wanted

Proposal-Accepted

Status: Closed (completed).

#18681 In golang/go;

· by minux was closed on May 21, 2026

x/pkgsite: verbosity dial

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.

pkgsite

ToolsThis label describes issues relating to any tools in the x/tools repository.This label describes issues relating to any tools in the x/tools repository.

Status: Not planned (skipped).

#15005 In golang/go;

· by bradfitz was closed on May 24, 2026

cmd/pprof: pprof doesn't show useful info for closure

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

Status: Closed (completed).

#11680 In golang/go;

· by pierrre was closed on Apr 13, 2026

x/pkgsite: support company-specific doc annotations

pkgsite

Unfortunate

Status: Closed (completed).

#8586 In golang/go;

· by bradfitz was closed on May 22, 2026

x/pkgsite: conditionally expose unexported types

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.

pkgsite

Status: Not planned (skipped).

#7823 In golang/go;

· by jimmyfrasche was closed on May 22, 2026

cmd/compile: improve compiler error message when accessing type instead of instance of type

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: Closed (completed).

#6814 In golang/go;

· by btracey was closed on Jan 22, 2026

x/pkgsite: option to show "exported" declarations of main packages

pkgsite

Unfortunate

Status: Not planned (skipped).

#5727 In golang/go;

· by lukescott was closed on May 22, 2026

x/pkgsite/internal/fetch/dochtml: BUG, TODO etc. should be re-thought

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

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.

pkgsite

UXIssues that involve UXD/UXR inputIssues that involve UXD/UXR input

Status: Not planned (skipped).

#5060 In golang/go;

· by robpike was closed on May 22, 2026

x/pkgsite: list main programs / commands separately from other packages

pkgsite

Status: Not planned (skipped).

#3199 In golang/go;

· by ugorji was closed on May 22, 2026

all: timeouts on linux-s390x-ibm-race

arch-s390xIssues solely affecting the s390x architecture.Issues solely affecting the s390x architecture.

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.

Status: Not planned (skipped).

#60109 In golang/go;

· by bcmills was closed on Mar 7, 2026

net/netip: Is4In6 should return true for well-known prefixes used in IPv4/IPv6 translation

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: Closed (completed).

#65635 In golang/go;

· by JenAkaFurry was closed on Mar 11, 2026

cmd/compile: teach BCE about min builtin

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.

Performance

Status: Closed (completed).

#68553 In golang/go;

· by ghost was closed on Mar 19, 2026

cmd/compile: opt: generate conditional comparisons for || and && conditions

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.

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.

Performance

Status: Closed (completed).

Feature

#71268 In golang/go;

· by haoliu3 was closed on Feb 12, 2026

cmd/compile: BCE of fixed width blocks during iteration

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.

Performance

Status: Closed (completed).

#74474 In golang/go;

· by Jorropo was closed on Mar 21, 2026

cmd/compile: amd64 CMOV* lowering rules depend on the values schedule

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.

Performance

Status: Closed (completed).

#76060 In golang/go;

· by Jorropo was closed on May 15, 2026

cmd/compile: prove only notices one of a pair of induction variables (missed optimization)

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

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.

Performance

Status: Closed (completed).

#76269 In golang/go;

· by dr2chase was closed on Mar 18, 2026

all: remove unneeded loop variables in tests

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.

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

Status: Closed (completed).

#76411 In golang/go;

· by ariel-anieli was closed on Mar 2, 2026

cmd/compile: suboptimal zeroing of multiple registers on amd64

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

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.

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

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: Closed (completed).

#76449 In golang/go;

· by fice-t was closed on Jan 23, 2026

internal/stringslite: remove duplicate code in function Index()

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

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

SuggestedIssues that may be good for new contributors looking for work to do.Issues that may be good for new contributors looking for work to do.

Status: Closed (completed).

#77364 In golang/go;

· by Guest-615695028 was closed on Feb 4, 2026

Rare panic in 1.26.2

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

WaitingForInfoIssue is not actionable because of missing required information, which needs to be provided.Issue is not actionable because of missing required information, which needs to be provided.

Status: Not planned (skipped).

#78976 In golang/go;

· by epot was closed on May 28, 2026

crypto/elliptic: P-384 is not constant-time

FrozenDueToAge

Status: Closed (completed).

#11499 In golang/go;

· by coruus was closed on Apr 6, 2022

time: Timer.C can still trigger even after Timer.Reset is called

FrozenDueToAge

Status: Closed (completed).

#11513 In golang/go;

· by rogpeppe was closed on Mar 15, 2024

net/rpc: lose cached Request on EOF

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: Not planned (skipped).

#12103 In golang/go;

· by powerman was closed on Nov 16, 2025