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Describes general implementation-defined aspects of the Arm® C++ compiler and C++ library, as required by the ISO C++ Standard.
Diagnostic messages that the compiler produces are of the form:
source-file:line-number:char-number: description [diagnostic-flag]
–Wflag, only for messages that can be suppressed.
_sys_isttyfunction reports. The standard I/O streams
stderrare assumed to be interactive devices. They are line-buffered at program startup, regardless of what
_sys_isttyreports for them. An exception is if they have been redirected on the command line.