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From "Martin Sebor (JIRA)" <>
Subject [jira] Created: (STDCXX-443) [IBM XLC++] should avoid using -qinline or -Q in C++ code
Date Fri, 08 Jun 2007 00:14:25 GMT
[IBM XLC++] should avoid using -qinline or -Q in C++ code

                 Key: STDCXX-443
             Project: C++ Standard Library
          Issue Type: Improvement
          Components: Configuration
    Affects Versions: 4.1.3
         Environment: IBM VisualAge C++ 6.0, 7.0, and XLC++ 8.0
            Reporter: Martin Sebor

Quoting from the XLC++ 8.0 Compiler Reference, page 249 (-Q option):

To maximize inlining: 
*  for C programs, specify optimization (-O) and also specify the appropriate -Q options for
the C language.
*  for C++ programs, specify optimization (-O) but do not specify the -Q option.

We should review whether our use of -Q in optimized builds is called for.

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