a use-after-free issue on src/charges/fromfile.cpp#L114.

[hokein]

There is a use-after-free issue on this line: https://github.com/openbabel/openbabel/blob/master/src/charges/fromfile.cpp#L114.

GetAtomID returns a string by value, this temporary will be destroyed at the end of the full expression, which will result in a dangling pointer.

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