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Go: fix database inconsistency when receiver has alias type #19464

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Merged
owen-mc merged 2 commits into from
May 6, 2025
Merged

Go: fix database inconsistency when receiver has alias type #19464

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228c45a
Look through aliases when identifying method receivers
owen-mc May 5, 2025
c781f98
(unrelated tidy up) `resolveTypeAlias` not needed
owen-mc May 5, 2025
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Look through aliases when identifying method receivers
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@owen-mc
owen-mc committed May 6, 2025
commit 228c45aaf893e04a5d8704dce371def49cb87413
5 changes: 3 additions & 2 deletions go/extractor/trap/labels.go
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Original file line number Diff line number Diff line change
Expand Up @@ -169,11 +169,12 @@ func (l *Labeler) ScopedObjectID(object types.Object, getTypeLabel func() Label)

// findMethodWithGivenReceiver finds a method with `object` as its receiver, if one exists
func findMethodWithGivenReceiver(object types.Object) *types.Func {
meth := findMethodOnTypeWithGivenReceiver(object.Type(), object)
unaliasedType := types.Unalias(object.Type())
meth := findMethodOnTypeWithGivenReceiver(unaliasedType, object)
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if meth != nil {
return meth
}
if pointerType, ok := object.Type().(*types.Pointer); ok {
if pointerType, ok := unaliasedType.(*types.Pointer); ok {
meth = findMethodOnTypeWithGivenReceiver(pointerType.Elem(), object)
}
return meth
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