cmd/compile: bug in cmd/compile/internal/importer.(*pkgReader).newReader

[prattmic]

Issue created by stacks.

This stack BbuvCg 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
• cmd/compile/internal/types2.(*Checker).handleBailout:+7
• runtime.gopanic:+50
• internal/pkgbits.errorf:=16
• internal/pkgbits.(*Decoder).checkErr:=245
• internal/pkgbits.(*Decoder).rawUvarint:+2
• internal/pkgbits.(*Decoder).Uint64:=377
• internal/pkgbits.(*Decoder).Len:+0
• internal/pkgbits.(*PkgDecoder).NewDecoderRaw:+12
• internal/pkgbits.(*PkgDecoder).NewDecoder:+1
• cmd/compile/internal/importer.(*pkgReader).newReader:=86
• cmd/compile/internal/importer.(*pkgReader).pkgIdx:=160
• cmd/compile/internal/importer.(*reader).pkg:+2

cmd/compile@go1.23.2 go1.23.2 linux/amd64  (2)

[gabyhelp]

Related Issues

• cmd/compile: bug in cmd/compile/internal/importer.(*reader).pkg #71000
• cmd/compile: bug in cmd/compile/internal/importer.(*reader).typInfo #71012
• cmd/compile: bug in cmd/compile/internal/noder.readPackage #71004
• cmd/compile: bug in cmd/compile/internal/noder.readImportFile #71013
• cmd/compile: bug in cmd/compile/internal/noder.(*pkgWriter).pkgIdx #71006
• cmd/compile: bug in cmd/compile/internal/importer.(*pkgReader).objIdx.func1 #70996
• cmd/compile: bug in cmd/compile/internal/noder.(*pkgReader).objIdxMayFail #70997
• 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/types.NewNamed #71001

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[mknyszek]

CC @griesemer