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Status Delivered
Workspace C/C++ and Fortran Compilers
Categories C/C++
Created by Guest
Created on Jul 17, 2015

RELATED IDEAS

System headers are not warning free when using qinfo=all with XL C/C++ compiler

When checking our own C/C++ source code I wanted to see strict warning checking behavior, to improve our source code. When using -qinfo=all a lot of warnings are raised by both C and C++ compiler. This RFE just shows a simple example for the C compiler.

Our wish is that the AIX system headers should be warning free, even when using -qinfo=all.

In our case, AIX 7.1 (7100-03-03-1415) was used, together with XL C/C++ V13.1 (13.1.0.3).

Idea priority Medium
  • Guest
    Reply
    |     Sep 12, 2020

    This RFE has been addressed in V13.1.3 and later.

  • Guest
    Reply
    |     Jun 21, 2016

    This RFE was incorrectly marked as 'Delivered' on the basis that -qinfo=all has been implemented in V13.1.0.

    The real concern that needs to be addressed via this RFE is the following informational message (even in V13.1.0) submitted via the attached test case:
    1506-431 (I) The left-hand side of a bitwise &, |, or ^ expression is an unparenthesized relational, shift, or arithmetic expression which has a higher precedence.

    As a result, we are re-opening this RFE and moving it to 'uncommitted candidate'.

    This is still being considered for a future compiler mod release/version release.

    Once this item is in plan, the RFE will be marked 'In Plan'.

  • Guest
    Reply
    |     Sep 14, 2015

    Due to processing by IBM, this request was reassigned to have the following updated attributes:
    Brand - Servers and Systems Software
    Product family - Programming Languages
    Product - C/C++ Compilers

    For recording keeping, the previous attributes were:
    Brand - Rational
    Product family - Design & development
    Product - C/C++ Compilers

  • Guest
    Reply
    |     Aug 25, 2015

    This RFE is already available in XL C/C++ for AIX, V13.1

  • Guest
    Reply
    |     Jul 17, 2015

    Attachment (Description): Simple reproduction with C source file and Makefile containing flags that show system header warnings (va_start macro in this case).

    repro.tar.gz
    repro.tar.gz
    Open full size
    repro.tar.gz

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