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cmd/compile: internal compiler error: usefield without paramfld #12171

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dvyukov opened this issue Aug 17, 2015 · 2 comments
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cmd/compile: internal compiler error: usefield without paramfld #12171

dvyukov opened this issue Aug 17, 2015 · 2 comments
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Go1.5

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@dvyukov
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dvyukov commented Aug 17, 2015 

$ export GOEXPERIMENT=fieldtrack
$ ./make.bash
$ go build -race test.go

results in:

test.go:10: internal compiler error: usefield B F without paramfld

The program is:

package foo

type A struct {
    F int
}

type B A

func (f *B) M() int {
    return A(*f).F
}

go version devel +d7aae33 Mon Aug 17 15:29:23 2015 +0000 linux/amd64

This is a regression from 1.4 and affects our internal race detector usage.
@dvyukov dvyukov added this to the Go1.5 milestone Aug 17, 2015
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CL https://golang.org/cl/13676 mentions this issue.

@dvyukov dvyukov mentioned this issue Aug 18, 2015
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CL https://golang.org/cl/13664 mentions this issue.

@rsc rsc closed this as completed in f68d1df Aug 18, 2015
@golang golang locked and limited conversation to collaborators Aug 22, 2016
@rsc rsc removed their assignment Jun 23, 2022
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