LI76291: COMPILER WARNING WITH -QIPA -QINLGLUE

XL C/C++ for Linux Fix Pack 9 (August 2013 Update) for 11.1
July 2011 Update for XL C/C++ for Linux, V11.1
October 2011 Update for XL C/C++ for Linux, V11.1
June 2012 Update for XL C/C++ for Linux, V11.1
October 2012 Update for XL C/C++ for Linux, V11.1
XL C/C++ for Linux Fix Pack 8 (June 2013 Update) for 11.1

APAR status

• Closed as program error.

Error description

• A compiler warning is encountered when a simple test case is
  compiled with '-qipa -qinlglue'.
  
  This warning message is generated by a particular component of
  the compiler that is not responsible for implementing
  '-qinlglue'. The implementation of this option is
  successfully handled by the low level optimizer despite the
  warning message that is generated by the high level optimizer.
  
  ===== TESTCASE:
  hello.c:
  #include <stdio.h>
  
  int main ()
  {
          printf("%s\n", "Hello, world!");
          return 0;
  }
  =========================================
  
  
  ===== ACTUAL OUTPUT:
  $ xlc -q64 -qipa -qinlglue hello.c
  1586-002 (W) Suboption "" of option "" is not supported.
  1586-001 (W) Option "-qinlglue" is not valid.
  $
  
  
  ===== EXPECTED OUTPUT:
  Compilation completes without warning message.
  
  $ xlc -q64 -qipa -qinlglue hello.c
  $
  

Local fix

• N/A.
  

Problem summary

• PROBLEM DESCRIPTION:
  Compiler warning with -qipa -qinlglue
  
  USERS AFFECTED:
  Users of optimization levels -O3 or higher.
  

Problem conclusion

• The high level optimizer is not responsible for implementing
  '-qinlglue' and is incorrectly generating this warning message.
  The fix just involves having the high level optimizer recognize
  that -qinlglue and -qnoinlglue are valid compiler options.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

  IZ97229

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  XL C/C++ FOR LI

• Fixed component ID

  5724X1400

Applicable component levels

• RB10 PSY

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