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DescriptionQ249
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Q249DVASIC interview problem

Field automation reference copying

TechniquesUVMCopy, compare, and pack
DifficultyMedium
TopicUVM Components
LanguageSystemVerilog
Format4 choices
01

Problem

A transaction registers a nested object field with `uvm_field_object(child, UVM_DEFAULT | UVM_REFERENCE)`. After dst.copy(src), changing dst.child also changes src.child. Why?

02

Answer choices (4)