FILE fqName:<root> fileName:/extFunSafeInvoke.kt
  FUN name:test visibility:public modality:FINAL <> (receiver:kotlin.Any?, fn:@[CALL 'CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public <> () returnType:kotlin.ExtensionFunctionType flags:[primary]' type=kotlin.ExtensionFunctionType origin=null] kotlin.Function3<kotlin.Any, kotlin.Int, kotlin.String, kotlin.Unit>) returnType:kotlin.Unit? flags:[]
    VALUE_PARAMETER name:receiver index:0 type:kotlin.Any? flags:[]
    VALUE_PARAMETER name:fn index:1 type:@[CALL 'CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public <> () returnType:kotlin.ExtensionFunctionType flags:[primary]' type=kotlin.ExtensionFunctionType origin=null] kotlin.Function3<kotlin.Any, kotlin.Int, kotlin.String, kotlin.Unit> flags:[]
    BLOCK_BODY
      RETURN type=kotlin.Nothing from='FUN name:test visibility:public modality:FINAL <> (receiver:kotlin.Any?, fn:@[CALL 'CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public <> () returnType:kotlin.ExtensionFunctionType flags:[primary]' type=kotlin.ExtensionFunctionType origin=null] kotlin.Function3<kotlin.Any, kotlin.Int, kotlin.String, kotlin.Unit>) returnType:kotlin.Unit? flags:[]'
        BLOCK type=kotlin.Unit? origin=SAFE_CALL
          VAR IR_TEMPORARY_VARIABLE name:tmp0_safe_receiver type:kotlin.Any? flags:[val]
            GET_VAR 'VALUE_PARAMETER name:receiver index:0 type:kotlin.Any? flags:[]' type=kotlin.Any? origin=null
          WHEN type=kotlin.Unit? origin=null
            BRANCH
              if: CALL 'FUN IR_BUILTINS_STUB name:EQEQ visibility:public modality:FINAL <> (arg0:kotlin.Any?, arg1:kotlin.Any?) returnType:kotlin.Boolean flags:[]' type=kotlin.Boolean origin=EQEQ
                arg0: GET_VAR 'VAR IR_TEMPORARY_VARIABLE name:tmp0_safe_receiver type:kotlin.Any? flags:[val]' type=kotlin.Any? origin=null
                arg1: CONST Null type=kotlin.Nothing? value=null
              then: CONST Null type=kotlin.Nothing? value=null
            BRANCH
              if: CONST Boolean type=kotlin.Boolean value=true
              then: CALL 'FUN IR_EXTERNAL_DECLARATION_STUB name:invoke visibility:public modality:ABSTRACT <> ($this:kotlin.Function3<kotlin.Function3.P1, kotlin.Function3.P2, kotlin.Function3.P3, kotlin.Function3.R>, p1:kotlin.Function3.P1, p2:kotlin.Function3.P2, p3:kotlin.Function3.P3) returnType:kotlin.Function3.R flags:[]' type=kotlin.Unit origin=INVOKE
                $this: GET_VAR 'VALUE_PARAMETER name:fn index:1 type:@[CALL 'CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public <> () returnType:kotlin.ExtensionFunctionType flags:[primary]' type=kotlin.ExtensionFunctionType origin=null] kotlin.Function3<kotlin.Any, kotlin.Int, kotlin.String, kotlin.Unit> flags:[]' type=@[CALL 'CONSTRUCTOR IR_EXTERNAL_DECLARATION_STUB visibility:public <> () returnType:kotlin.ExtensionFunctionType flags:[primary]' type=kotlin.ExtensionFunctionType origin=null] kotlin.Function3<kotlin.Any, kotlin.Int, kotlin.String, kotlin.Unit> origin=VARIABLE_AS_FUNCTION
                p1: GET_VAR 'VAR IR_TEMPORARY_VARIABLE name:tmp0_safe_receiver type:kotlin.Any? flags:[val]' type=kotlin.Any? origin=null
                p2: CONST Int type=kotlin.Int value=42
                p3: CONST String type=kotlin.String value="Hello"
