Golang cmd/compile: bug in cmd/compile/internal/noder.(*pkgReader).objIdxMayFail

Issue created by stacks.

This stack OFktgw 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.(*pkgReader).objIdxMayFail:+14
• cmd/compile/internal/noder.(*pkgReader).objIdx:+1
• cmd/compile/internal/noder.(*pkgReader).objInstIdx:+8
• cmd/compile/internal/noder.(*reader).obj:+1
• cmd/compile/internal/noder.(*reader).doTyp:+9
• cmd/compile/internal/noder.(*pkgReader).typIdx:=429
• cmd/compile/internal/noder.(*reader).typWrapped:+1
• cmd/compile/internal/noder.(*reader).typ:=382
• cmd/compile/internal/noder.(*reader).doTyp:+25
• cmd/compile/internal/noder.(*pkgReader).typIdx:=429

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

Comment From: gabyhelp

Related Issues

• 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: Unified IR failed to compile recursive generic type #54722 (closed)
• cmd/compile: assertion failure when building syntax package with gotypesalias enabled #66873 (closed)
• cmd/compile: unreachable panic with GODEBUG=gotypesalias=1 #65778 (closed)
• cmd/compile: internal compiler error: panic: unexpected type: 10 with GOEXPERIMENT=unified #52124 (closed)
• cmd/compile: internal compiler error: assertion failed #53762 (closed)
• cmd/compile: internal compiler error: assertion failed #60991 (closed)
• cmd/compile: unsafe.Sizeof with generic type parameter causes panic #47716 (closed)
• cmd/compile: range over rune literal causes internal compiler error #64471 (closed)

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Comment From: mknyszek

CC @griesemer