Keil Logo


B.2 General

Describes general implementation-defined aspects of the Arm® C++ compiler and C++ library, as required by the ISO C++ Standard.

How a diagnostic is identified (1.3.6).

Diagnostic messages that the compiler produces are of the form:

source-file:line-number:char-number: description [diagnostic-flag]


Is a text description of the error.
Is an optional diagnostic flag of the form –Wflag, only for messages that can be suppressed.
Libraries in a freestanding implementation (1.4).
Arm Compiler supports the C99 and the C++11 standard libraries.
Bits in a byte (1.7).
The number of bits in a byte is 8.
What constitutes an interactive device (1.9).
What constitutes an interactive device depends on the environment and what the _sys_istty function reports. The standard I/O streams stdin, stdout, and stderr are assumed to be interactive devices. They are line-buffered at program startup, regardless of what _sys_istty reports for them. An exception is if they have been redirected on the command line.
Non-ConfidentialPDF file icon PDF version101754_0616_01_en
Copyright © 2019–2021 Arm Limited or its affiliates. All rights reserved. 
  Arm logo
Important information

This site uses cookies to store information on your computer. By continuing to use our site, you consent to our cookies.

Change Settings

Privacy Policy Update

Arm’s Privacy Policy has been updated. By continuing to use our site, you consent to Arm’s Privacy Policy. Please review our Privacy Policy to learn more about our collection, use and transfers
of your data.