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go/types: API allows instantiation of instantiated type

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

Status: Open.

Bug

#72978 In golang/go;

· griesemer opened on Mar 20, 2025

 ·  

Go1.25

spec: for-range iterator yield function requires bool result - consider generalizing to any boolean type

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.

LanguageChangeSuggested changes to the Go languageSuggested changes to the Go language

LanguageProposalIssues describing a requested change to the Go language specification.Issues describing a requested change to the Go language specification.

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.

#71164 In golang/go;

· griesemer opened on Jan 7, 2025

 ·  

Go1.25

cmd/compile: seemingly valid generic interface rejected

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

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.

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.

#68162 In golang/go;

· griesemer opened on Jun 24, 2024

 ·  

Go1.25

cmd/compile: gracefully exit on parser stack overflow

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.

Status: Open.

#68033 In golang/go;

· griesemer opened on Jun 17, 2024

 ·  

Backlog

cmd/compile/internal/types2: enable unsorted processing of package objects

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

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.

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.

#67347 In golang/go;

· griesemer opened on May 13, 2024

 ·  

Go1.25

cmd/api: API checker doesn't seem to handle Alias uses correctly

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.

#65437 In golang/go;

· griesemer opened on Feb 1, 2024

 ·  

Go1.25

math/big: improve performance of nat.mulRange

help wanted

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: Open.

#65027 In golang/go;

· griesemer opened on Jan 8, 2024

 ·  

Backlog

proposal: spec: support for easy packing/unpacking of struct types

LanguageChangeSuggested changes to the Go languageSuggested changes to the Go language

LanguageChangeReviewDiscussed by language change review committeeDiscussed by language change review committee

Proposal

Status: Open.

#64613 In golang/go;

· griesemer opened on Dec 8, 2023

 ·  

Proposal

cmd/compile, importers: implement support for Alias types nodes in export data format

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

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.

Status: Open.

#64208 In golang/go;

· griesemer opened on Nov 16, 2023

 ·  

Go1.25

go/parser: bad error recovery for simple program with missing function name

gopls/parsingIssues related to parsing / poor parser recovery.Issues related to parsing / poor parser recovery.

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.

#63834 In golang/go;

· griesemer opened on Oct 30, 2023

 ·  

Backlog

cmd/compile: incorrect program produces "invalid syntax tree" error

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.

Status: Open.

#58612 In golang/go;

· griesemer opened on Feb 21, 2023

 ·  

Backlog

spec: "type parameters are interfaces" is confusing

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.

Status: Open.

#57310 In golang/go;

· griesemer opened on Dec 14, 2022

 ·  

Go1.25