'What does an exit value of -1 mean when compiling and how to debug it?

I am a C++ beginner. For some reason I cannot find a page with error codes and what they mean. Often my eclipse does this:

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Does this -1 rather than 0 mean the same thing all the time? A segmentation fault perhaps? Or is it just a general "we didn't reach the end of the program" error?

Right now I put cout statements before and after every line until I find where it stops running. Is there somewhere specific I should look when seeing this -1?

c++eclipse


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