no warning when assigning a string to itself; infinite loop when printing a string

[Steve Ward]

In the attached code, the line "const string str = str;" doesn't give
a warning.  Is this right?  If I change the data type to an "int", a
warning is given. ("warning: 'str' is used uninitialized in this
function")

Also, when trying to print the string, it seems to execute forever.


Thanks,
Steve
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