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x/tools/go/pointer: interface conversion: *ssa.Convert is not types.Type: missing method Underlying #27002

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dominikh opened this issue Aug 15, 2018 · 0 comments

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commented Aug 15, 2018

What version of Go are you using (go version)?

go version devel +81555cb4f3 Tue Aug 14 09:19:38 2018 +0000 linux/amd64

What did you do?

callgraph -test -algo pta reflect

What did you see?

Internal panic in pointer analysis:
goroutine 1 [running]:
runtime/debug.Stack(0x24, 0x0, 0x0)
	/usr/lib/go/src/runtime/debug/stack.go:24 +0xa7
runtime/debug.PrintStack()
	/usr/lib/go/src/runtime/debug/stack.go:16 +0x22
golang.org/x/tools/go/pointer.Analyze.func1(0xc420469c18)
	/home/dominikh/prj/src/golang.org/x/tools/go/pointer/analysis.go:227 +0x110
panic(0x6d2c60, 0xc4265ef180)
	/usr/lib/go/src/runtime/panic.go:502 +0x229
golang.org/x/tools/go/pointer.(*rtypeInOutConstraint).solve(0xc42e669540, 0xc429543500, 0xc42b97a600)
	/home/dominikh/prj/src/golang.org/x/tools/go/pointer/reflect.go:1724 +0x1a0
golang.org/x/tools/go/pointer.(*analysis).solveConstraints(0xc429543500, 0xc423ecca50, 0xc42b97a600)
	/home/dominikh/prj/src/golang.org/x/tools/go/pointer/solve.go:165 +0xa9
golang.org/x/tools/go/pointer.(*analysis).solve(0xc429543500)
	/home/dominikh/prj/src/golang.org/x/tools/go/pointer/solve.go:59 +0x2fb
golang.org/x/tools/go/pointer.Analyze(0xc42716ef50, 0x0, 0x76b3c0, 0xc42c995ef0)
	/home/dominikh/prj/src/golang.org/x/tools/go/pointer/analysis.go:331 +0x51d
main.doCallgraph(0x0, 0x0, 0x0, 0x0, 0x7ffcb53e53bb, 0x3, 0x73e59e, 0x3f, 0x1, 0xc42000e180, ...)
	/home/dominikh/prj/src/golang.org/x/tools/cmd/callgraph/main.go:230 +0x2b9
main.main()
	/home/dominikh/prj/src/golang.org/x/tools/cmd/callgraph/main.go:159 +0xa5
callgraph: internal error in pointer analysis: interface conversion: *ssa.Convert is not types.Type: missing method Underlying (please report this bug)

/cc @alandonovan

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