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fix: Referrers() may return nil #46

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fix: Referrers() may return nil #46

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8 changes: 8 additions & 0 deletions pkg/analyzer/defer_only.go
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Original file line number Diff line number Diff line change
Expand Up @@ -292,6 +292,10 @@ func getAction(instr ssa.Instruction, targetTypes []any) action {
return actionReturned
}

if instr.Addr.Referrers() == nil {
return actionNoOp
}

if len(*instr.Addr.Referrers()) == 0 {
return actionNoOp
}
Expand Down Expand Up @@ -378,6 +382,10 @@ func checkDeferred(pass *analysis.Pass, instrs *[]ssa.Instruction, targetTypes [
return
}
case *ssa.Store:
if instr.Addr.Referrers() == nil {
return
}

if len(*instr.Addr.Referrers()) == 0 {
return
}
Expand Down