19 Diagnostics library [diagnostics]

19.7 Debugging [debugging]

19.7.1 General [debugging.general]

Subclause [debugging] describes functionality to introspect and interact with the execution of the program.
[Note 1: 
The facilities provided by the debugging functionality interact with a program that could be tracing the execution of a C++ program, such as a debugger.
— end note]