Go: Update to 1.27 - #22042
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Pull request overview
Updates CodeQL’s Go support to Go 1.27, including generic method extraction.
Changes:
- Updates SDK, toolchain, CI, and supported-version documentation.
- Handles Go 1.27 generic method type parameters and receivers.
- Adds generic method fixtures and expected results.
Show a summary per file
| File | Description |
|---|---|
MODULE.bazel |
Pins Go SDK 1.27.0. |
go/extractor/go.mod |
Updates Go and toolchain versions. |
go/extractor/extractor.go |
Handles instantiated generic method parameters. |
go/extractor/trap/labels.go |
Resolves originating receiver objects. |
go/extractor/autobuilder/build-environment.go |
Raises maximum supported Go version. |
go/extractor/toolchain/toolchain_test.go |
Applies Go 1.27 formatting. |
go/actions/test/action.yml |
Runs tests with Go 1.27.0. |
go/ql/test/library-tests/semmle/go/Function/go.mod |
Enables Go 1.27 test syntax. |
go/ql/test/library-tests/semmle/go/Function/genericMethods.go |
Adds generic method fixtures. |
go/ql/test/library-tests/semmle/go/Function/TypeParamType.expected |
Updates type-parameter results. |
go/ql/test/library-tests/semmle/go/Function/getTypeParameter.expected |
Updates declaration results. |
go/ql/test/library-tests/semmle/go/Function/getParameter.expected |
Updates method parameter results. |
go/ql/test/library-tests/semmle/go/Function/GenericFunctionInstantiationExpr.expected |
Updates instantiation results. |
go/ql/lib/change-notes/2026-06-25-go-1.27.md |
Announces Go 1.27 support. |
docs/codeql/reusables/supported-versions-compilers.rst |
Documents Go 1.27 support. |
Review details
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- Files reviewed: 14/15 changed files
- Comments generated: 1
- Review effort level: Balanced
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| // As a parent we use the origin method. This suffices, as the name | ||
| // and index of the type parameter in the instantiation will be | ||
| // identical to those of the uninstantiated method, and as only | ||
| // these two properties will be extracted for a type parameter. | ||
| if tp.Method(i) != meth { | ||
| signature := tp.Method(i).Type().(*types.Signature) | ||
| populateTypeParamParents(signature.TypeParams(), meth, false) | ||
| } |
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Note that all tests failing here pass on the internal PR.