I don't think so, but here's one:

The items in perlfunc are actually operators. Overriding of these named operators is handled by the parser, not by the overridden operator. When the parser encounters a named operator such as time it normally places an invocation of the operator in the opcode tree.

$ perl -MO=Concise,-exec -e'time()'
1  <0> enter
2  <;> nextstate(main 1 -e:1) v
3  <0> time[t1] v                       <-- time operator
4  <@> leave[1 ref] vKP/REFC
-e syntax OK
[download]

But when the operator has been overloaded, it places a subroutine invocation in the opcode tree instead.

$ perl -MO=Concise,-exec -e'BEGIN { *CORE::GLOBAL::time = sub {} } tim
+e()'
1  <0> enter
2  <;> nextstate(main 3 -e:1) v
3  <0> pushmark s
4  <#> gv[*CORE::GLOBAL::time] s        <-- sub name
5  <1> entersub[t2] vKS/TARG,1          <-- sub invocation
6  <@> leave[1 ref] vKP/REFC
-e syntax OK
[download]

The same goes when overriding a named operator locally.

$ perl -MO=Concise,-exec -e'use subs qw( time ); time()'
1  <0> enter
2  <;> nextstate(main 12 -e:1) v
3  <0> pushmark s
4  <#> gv[*time] s                      <-- sub name
5  <1> entersub[t2] vKS/TARG,1          <-- sub invocation
6  <@> leave[1 ref] vKP/REFC
-e syntax OK
[download]

Re^2: Where does time come from? CORE::GLOBAL:time no honored. (order) has an example.

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