x/tools/gopls: "failed to find object for objectPath" bug in gcimporter

[adonovan]

#!stacks
"gopls/bug" && "(*importReader).objectPathObject:+9"

Issue created by stacks.

// objectPathObject is the inverse of exportWriter.objectPath.
//
// In shallow mode, certain fields and methods may need to be looked up in an
// imported package. See the doc for exportWriter.objectPath for a full
// explanation.
func (r *importReader) objectPathObject() types.Object {
	objPath := objectpath.Path(r.string())
	if objPath == "" {
		return nil
	}
	pkg := r.pkg()
	obj, err := objectpath.Object(pkg, objPath)
	if err != nil {
		if r.p.reportf != nil {
			r.p.reportf("failed to find object for objectPath %q: %v", objPath, err)
		}
	}
	return obj
}

This stack mZwxkA was reported by telemetry:

• gopls/bug
• golang.org/x/tools/gopls/internal/util/bug.report:+35
• golang.org/x/tools/gopls/internal/util/bug.Reportf:+1
• golang.org/x/tools/internal/gcimporter.(*importReader).objectPathObject:+9
• golang.org/x/tools/internal/gcimporter.(*importReader).doType:+80
• golang.org/x/tools/internal/gcimporter.(*iimporter).typAt:+11
• golang.org/x/tools/internal/gcimporter.(*importReader).obj:+44
• golang.org/x/tools/internal/gcimporter.(*iimporter).doDecl:+25
• golang.org/x/tools/internal/gcimporter.(*importReader).doType:+17
• golang.org/x/tools/internal/gcimporter.(*iimporter).typAt:+11
• golang.org/x/tools/internal/gcimporter.(*importReader).typ:+1
• golang.org/x/tools/internal/gcimporter.(*importReader).doType:+48
• golang.org/x/tools/internal/gcimporter.(*iimporter).typAt:+11
• golang.org/x/tools/internal/gcimporter.(*importReader).obj:+44
• golang.org/x/tools/internal/gcimporter.(*iimporter).doDecl:+25
• golang.org/x/tools/internal/gcimporter.(*importReader).doType:+17
• golang.org/x/tools/internal/gcimporter.(*iimporter).typAt:+11

golang.org/x/tools/gopls@v0.18.1 go1.24.1 windows/amd64 vscode (1)

Dups: 8oW0wQ

[adonovan]

This stack 8oW0wQ was reported by telemetry:

• gopls/bug
• golang.org/x/tools/gopls/internal/util/bug.report:+35,+0x412
• golang.org/x/tools/gopls/internal/util/bug.Reportf:+1,+0x24
• golang.org/x/tools/internal/gcimporter.(*importReader).objectPathObject:+9,+0x144
• golang.org/x/tools/internal/gcimporter.(*importReader).doType:+43,+0xe3c
• golang.org/x/tools/internal/gcimporter.(*iimporter).typAt:+11,+0x131
• golang.org/x/tools/internal/gcimporter.(*importReader).obj:+44,+0x91c
• golang.org/x/tools/internal/gcimporter.(*iimporter).doDecl:+25,+0x15e
• golang.org/x/tools/internal/gcimporter.iimportCommon:+179,+0x14a8
• golang.org/x/tools/internal/gcimporter.IImportShallow:+3,+0x32
• golang.org/x/tools/gopls/internal/cache.(*typeCheckBatch).importPackage:+119,+0x444
• golang.org/x/tools/gopls/internal/cache.(*typeCheckBatch).getImportPackage.func1:+23,+0x1e4
• golang.org/x/tools/gopls/internal/cache.(*futureCache[...]).get:+32,+0x3c1
• golang.org/x/tools/gopls/internal/cache.(*typeCheckBatch).getImportPackage:+1,+0x5b
• golang.org/x/tools/gopls/internal/cache.(*typeCheckBatch).getPackage.func1.1:+1,+0x4e
• golang.org/x/sync/errgroup.(*Group).Go.func1:+15,+0x4f
• runtime.goexit:+0,+0x0

golang.org/x/tools/gopls@v0.20.0 go1.24.4 linux/amd64 vscode (1)