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using a task of class1 in class2 when both class1 &2 have common base classe

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I've my class hierarchy as below

class B extends class A


class B1 extends class B

task D()


class C extends class A


class E extends class C

B1 B1_inst;

function new(string name = "E", uvm_component parent = null);



endfunction // new

virtual task run_vseq();





Both class B & C are derivatives of class A

class B1 is derived from class B and has a task D

class E is derived from class C. Now i need to use task D in class E

I followed normal method of instantiating class B1 in the class E and used the required task as inst_B1.D(). But it is not working. I'm getting a UVM fatal error message for it.

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Can you be more specific with what is not working (i.e. the behavior you are seeing versus what you expected to happen) What is the error message you are getting and on which line of code produces the message? What you have shown (minus the syntax errors, typos, and missing code fragments) looks fine to me.

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