[overflow.error]

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namespace std { class overflow_error : public runtime_error { public: constexpr explicit overflow_error(const string& what_arg); constexpr explicit overflow_error(const char* what_arg); }; }

The class overflow_error defines the type of objects thrown as exceptions to report an arithmetic overflow error.

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constexpr overflow_error(const string& what_arg);

Postconditions: strcmp(what(), what_arg.c_str() == 0.

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constexpr overflow_error(const char* what_arg);

Postconditions: strcmp(what(), what_arg) == 0.

19 Diagnostics library [diagnostics]

19.2 Exception classes [std.exceptions]

19.2.10 Class overflow_error [overflow.error]