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

Issue created by stacks.

This stack bKG_2Q 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
• internal/pkgbits.assert:=11
• internal/pkgbits.(*Encoder).Len:=296
• internal/pkgbits.(*Encoder).Flush:+19
• cmd/compile/internal/noder.(*pkgWriter).pkgIdx:+33
• 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.writePkgStub:+15
• cmd/compile/internal/noder.unified:+6
• cmd/compile/internal/noder.LoadPackage:+50
• cmd/compile/internal/gc.Main:+140
• main.main:+12

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

Comment From: gabyhelp

Related Issues

• cmd/compile: bug in cmd/compile/internal/noder.readPackage #71004
• cmd/compile: bug in cmd/compile/internal/noder.(*pkgReader).objIdxMayFail #70997
• cmd/compile: bug in cmd/compile/internal/importer.(*reader).pkg #71000
• 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
• cmd/compile: bug in cmd/compile/internal/importer.(*pkgReader).objIdx.func1 #70996
• cmd/compile: bug in cmd/compile/internal/staticdata.WriteEmbed #70995 (closed)
• cmd/compile: bug in cmd/compile/internal/bitvec.NewBulk #71003
• cmd/compile: bug in cmd/compile/internal/inline/interleaved.fixpoint.func2 #71002

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Comment From: mknyszek

CC @griesemer