Re: [go-nuts] Trying to add an `InterfaceOf` to `reflect` package but segmentation violation returned

[Wenhua Shi]

>  return New(TypeOf("Interface {}"))
Yes, it gives a string. It doesn't matter here since it's only an edge case.

>  What is the full stack trace
Here it is,
```
=== RUN   TestInterfaceOf
unexpected fault address 0xc0000b8090
fatal error: fault
[signal SIGSEGV: segmentation violation code=0x2 addr=0xc0000b8090 
pc=0xc0000b8090]

goroutine 18 [running]:
runtime.throw({0x5d79de?, 0x1?})
    /home/debian/go/src/runtime/panic.go:992 +0x71 fp=0xc00008d768 
sp=0xc00008d738 pc=0x435e91
runtime.sigpanic()
    /home/debian/go/src/runtime/signal_unix.go:825 +0x305 fp=0xc00008d7b8 
sp=0xc00008d768 pc=0x44c265
runtime.call16(0xc0000a2630, 0xc0000a8088, 0x0, 0x0, 0x0, 0x8, 0xc00008dce8)
    /home/debian/go/src/runtime/asm_amd64.s:701 +0x49 fp=0xc00008d7d8 
sp=0xc00008d7b8 pc=0x466a49
runtime.reflectcall(0xc0000a6120?, 0x1?, 0x1?, 0xc0278?, 0xc0?, 0x1?, 0x1?)
    <autogenerated>:1 +0x3c fp=0xc00008d818 sp=0xc00008d7d8 pc=0x46ae1c
reflect.Value.call({0xc0000ae380?, 0x75b600?, 0x0?}, {0x5d7760, 0x4}, 
{0xc00008dee0, 0x0, 0x4cb9ae?})
    /home/debian/go/src/reflect/value.go:556 +0x845 fp=0xc00008de08 
sp=0xc00008d818 pc=0x4c5885
    *** call(frametype, fn, stackArgs, uint32(frametype.size), 
uint32(abi.retOffset), uint32(frameSize), &regArgs) ***
reflect.Value.Call({0xc0000ae380?, 0x75b600?, 0x1?}, {0xc00008dee0, 0x0, 
0x0})
    /home/debian/go/src/reflect/value.go:339 +0xbf fp=0xc00008de80 
sp=0xc00008de08 pc=0x4c4dff
    *** return v.call("Call", in) ***
testmod/pkg/testproject.TestInterfaceOf(0x0?)
    /home/debian/projects/testmod/pkg/testproject/testproject_test.go:45 
+0x154 fp=0xc00008df70 sp=0xc00008de80 pc=0x58be54
    *** Dan.Method(0).Call([]reflect.Value{}) // panic ***
testing.tRunner(0xc000083520, 0x5e6f18)
    /home/debian/go/src/testing/testing.go:1439 +0x102 fp=0xc00008dfc0 
sp=0xc00008df70 pc=0x4fc602
testing.(*T).Run.func1()
    /home/debian/go/src/testing/testing.go:1486 +0x2a fp=0xc00008dfe0 
sp=0xc00008dfc0 pc=0x4fd4aa
runtime.goexit()
    /home/debian/go/src/runtime/asm_amd64.s:1571 +0x1 fp=0xc00008dfe8 
sp=0xc00008dfe0 pc=0x4685e1
created by testing.(*T).Run
    /home/debian/go/src/testing/testing.go:1486 +0x35f

goroutine 1 [chan receive]:
testing.(*T).Run(0xc000083380, {0x5da04c?, 0x4fbfe5?}, 0x5e6f18)
    /home/debian/go/src/testing/testing.go:1487 +0x37a
testing.runTests.func1(0xc0000a2420?)
    /home/debian/go/src/testing/testing.go:1839 +0x6e
testing.tRunner(0xc000083380, 0xc000093cd8)
    /home/debian/go/src/testing/testing.go:1439 +0x102
testing.runTests(0xc0000c21e0?, {0x722ae0, 0x2, 0x2}, {0x7fe2dfd795b8?, 
0x40?, 0x72b620?})
    /home/debian/go/src/testing/testing.go:1837 +0x457
testing.(*M).Run(0xc0000c21e0)
    /home/debian/go/src/testing/testing.go:1719 +0x5d9
main.main()
    _testmain.go:49 +0x1aa
FAIL    testmod/pkg/testproject 0.005s
```

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