cmd/compile: bug in cmd/compile/internal/noder.(*pkgWriter).pkgIdx

[prattmic]

Issue created by stacks.

This stack VD1VPw was reported by telemetry:

• compile/bug
• cmd/compile/internal/base.FatalfAt:+3
• cmd/compile/internal/base.Fatalf:=195
• cmd/compile/internal/gc.handlePanic:+7
• runtime.gopanic:+50
• runtime.panicmem:=262
• runtime.sigpanic:+19
• cmd/compile/internal/noder.(*pkgWriter).pkgIdx:+28
• cmd/compile/internal/noder.(*writer).pkg:+1
• cmd/compile/internal/noder.(*pkgWriter).pkgIdx:+29
• cmd/compile/internal/noder.(*writer).pkg:+1
• cmd/compile/internal/noder.(*pkgWriter).pkgIdx:+29
• cmd/compile/internal/noder.(*writer).pkg:+1
• cmd/compile/internal/noder.(*pkgWriter).pkgIdx:+29
• cmd/compile/internal/noder.(*writer).pkg:+1
• cmd/compile/internal/noder.(*pkgWriter).pkgIdx:+29
• cmd/compile/internal/noder.(*writer).pkg:+1

cmd/compile@go1.23.2 go1.23.2 linux/amd64  (1)

[gabyhelp]

Related Issues

• cmd/compile: bug in cmd/compile/internal/noder.(*pkgWriter).pkgIdx #71006
• cmd/compile: bug in cmd/compile/internal/noder.(*pkgReader).objIdxMayFail #70997
• cmd/compile: bug in cmd/compile/internal/noder.readPackage #71004
• cmd/compile: bug in cmd/compile/internal/importer.(*reader).pkg #71000
• cmd/compile: bug in cmd/compile/internal/types.NewNamed #71001
• cmd/compile: bug in cmd/compile/internal/noder.(*reader).localIdent #70998
• cmd/compile: bug in cmd/compile/internal/types.(*Type).Pos #71005
• cmd/compile: bug in cmd/compile/internal/noder.readImportFile #71013
• cmd/compile: bug in cmd/compile/internal/types.(*Type).Elem #71008
• cmd/compile: bug in cmd/compile/internal/importer.(*pkgReader).objIdx.func1 #70996

_{(Emoji vote if this was helpful or unhelpful; more detailed feedback welcome in this discussion.)}

[mknyszek]

CC @griesemer