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cmd/compile: unexpected type alias in inlined function body #24857

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dsnet opened this issue Apr 14, 2018 · 2 comments

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commented Apr 14, 2018

Consider the following program:

package main
import "unsafe"
type ifaceHeader = [2]unsafe.Pointer
func Bar() (x interface{}) {
	*(*ifaceHeader)(unsafe.Pointer(&x)) = ifaceHeader{nil, nil}
	return x
}
func Foo() { _ = Bar() }
func main() {}

This currently crashes with:

<autogenerated>:1:0: internal compiler error: exporter: unexpected type alias ifaceHeader in inlined function body

Please file a bug report including a short program that triggers the error.
https://golang.org/issue/new

@dsnet dsnet added the NeedsFix label Apr 14, 2018

@dsnet dsnet added this to the Go1.11 milestone Apr 14, 2018

@ALTree

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commented Apr 14, 2018

This was fixed on tip by CL 97719. Or are you still seeing crashes on tip?

@dsnet

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commented Apr 14, 2018

Confirmed. Fixed on tip. Thanks.

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