panic: SIGSEGV: segmentation violation

[guettli]

I can not give you the source as it is closed source. But maybe this helps you find the root cause:

Do you need additional info?

❯ refdir --verbose ./...
panic: runtime error: invalid memory address or nil pointer dereference [recovered]
    panic: runtime error: invalid memory address or nil pointer dereference
[signal SIGSEGV: segmentation violation code=0x1 addr=0x0 pc=0x598faf]

goroutine 39 [running]:
go/types.(*Checker).handleBailout(0xc002cc4380, 0xc002cd9c30)
    /usr/local/go/src/go/types/check.go:404 +0x88
panic({0x725460?, 0x9bbbb0?})
    /usr/local/go/src/runtime/panic.go:785 +0x132
go/types.(*StdSizes).Sizeof(0x0, {0x7f3030, 0x9bf900})
    /usr/local/go/src/go/types/sizes.go:229 +0x30f
go/types.(*Config).sizeof(...)
    /usr/local/go/src/go/types/sizes.go:334
go/types.representableConst.func1({0x7f3030?, 0x9bf900?})
    /usr/local/go/src/go/types/const.go:77 +0x86
go/types.representableConst({0x7f4970, 0xc001380880}, 0xc002cc4380, 0x9bf900, 0xc002cd8a08)
    /usr/local/go/src/go/types/const.go:93 +0x173
go/types.(*Checker).representation(0xc002cc4380, 0xc0004d13c0, 0x9bf900)
    /usr/local/go/src/go/types/const.go:257 +0x65
go/types.(*Checker).implicitTypeAndValue(0xc002cc4380, 0xc0004d13c0, {0x7f3030, 0x9bf900})
    /usr/local/go/src/go/types/expr.go:377 +0x2d7
go/types.(*Checker).assignment(0xc002cc4380, 0xc0004d13c0, {0x7f3030, 0x9bf900}, {0xc0013808b0, 0xf})
    /usr/local/go/src/go/types/assignments.go:70 +0x451
go/types.(*Checker).arguments(0xc002cc4380, 0xc0004d0180, 0xc0004d12c0, {0x0, 0x0, 0x0}, {0x0, 0x0, 0x0}, {0xc0015a4580, ...}, ...)
    /usr/local/go/src/go/types/call.go:653 +0x1373
go/types.(*Checker).callExpr(0xc002cc4380, 0xc0004d1280, 0xc0004d0180)
    /usr/local/go/src/go/types/call.go:298 +0x705
go/types.(*Checker).exprInternal(0xc002cc4380, 0x0, 0xc0004d1280, {0x7f4460, 0xc0004d0180}, {0x0, 0x0})
    /usr/local/go/src/go/types/expr.go:1410 +0xf8
go/types.(*Checker).rawExpr(0xc002cc4380, 0x0, 0xc0004d1280, {0x7f4460?, 0xc0004d0180?}, {0x0?, 0x0?}, 0x0)
    /usr/local/go/src/go/types/expr.go:981 +0x18c
go/types.(*Checker).expr(0xc002cc4380, 0x0?, 0xc0004d1280, {0x7f4460?, 0xc0004d0180?})
    /usr/local/go/src/go/types/expr.go:1549 +0x30
go/types.(*Checker).varDecl(0xc002cc4380, 0xc002cc2d80, {0xc001640200, 0x1, 0x1}, {0x0, 0x0}, {0x7f4460, 0xc0004d0180})
    /usr/local/go/src/go/types/decl.go:513 +0x17b
go/types.(*Checker).objDecl(0xc002cc4380, {0x7f76f8, 0xc002cc2d80}, 0x0)
    /usr/local/go/src/go/types/decl.go:188 +0x9a5
go/types.(*Checker).packageObjects(0xc002cc4380)
    /usr/local/go/src/go/types/resolver.go:714 +0x454
go/types.(*Checker).checkFiles(0xc002cc4380, {0xc001640008, 0x1, 0x1})
    /usr/local/go/src/go/types/check.go:459 +0x15a
go/types.(*Checker).Files(0xc00020a000?, {0xc001640008?, 0xc002cc2660?, 0x6?})
    /usr/local/go/src/go/types/check.go:422 +0x75
golang.org/x/tools/go/packages.(*loader).loadPackage(0xc00020a000, 0xc000fc1440)
    /home/guettli/go/pkg/mod/golang.org/x/[email protected]/go/packages/packages.go:1044 +0x90a
golang.org/x/tools/go/packages.(*loader).loadRecursive.func1()
    /home/guettli/go/pkg/mod/golang.org/x/[email protected]/go/packages/packages.go:851 +0x1a9
sync.(*Once).doSlow(0xc000150f98?, 0x405997?)
    /usr/local/go/src/sync/once.go:76 +0xb4
sync.(*Once).Do(...)
    /usr/local/go/src/sync/once.go:67
golang.org/x/tools/go/packages.(*loader).loadRecursive(0x67141e?, 0xc000150fd0?)
    /home/guettli/go/pkg/mod/golang.org/x/[email protected]/go/packages/packages.go:839 +0x3b
golang.org/x/tools/go/packages.(*loader).loadRecursive.func1.1(0x0?)
    /home/guettli/go/pkg/mod/golang.org/x/[email protected]/go/packages/packages.go:846 +0x26
created by golang.org/x/tools/go/packages.(*loader).loadRecursive.func1 in goroutine 86
    /home/guettli/go/pkg/mod/golang.org/x/[email protected]/go/packages/packages.go:845 +0x94