$ perl -we "print (localtime(time))[2]"
print (...) interpreted as function at -e line 1.
syntax error at -e line 1, near ")["
Execution of -e aborted due to compilation errors.

##</code><code>##

$ perl -Mdiagnostics -we "print (localtime(time))[2]"
print (...) interpreted as function at -e line 1 (#1)
    (W syntax) You've run afoul of the rule that says that any list operator
    followed by parentheses turns into a function, with all the list
    operators arguments found inside the parentheses.  See
    perlop/Terms and List Operators (Leftward).

##</code><code>##

$ perl -e "print +(localtime(time))[2]"
16