IV61729: INTERNAL COMPILER ERROR WITH SIZEOF WHEN USING -QINLINE

XL C/C++ for AIX Fix Pack 2 (December 2014 PTF) for 13.1
XL C/C++ for AIX Fix Pack 3 (April 2015 PTF) for 13.1
XL C/C++ for AIX Fix Pack 4 (July 2015 PTF) for 13.1
XL C/C++ for AIX Fix Pack 5 (November 2015 PTF) for 13.1
XL C/C++ for AIX Fix Pack 6 (February 2016 PTF) for 13.1
XL C/C++ for AIX Fix Pack 7 (May 2016 PTF) for 13.1
XL C/C++ for AIX Fix Pack 8 (August 2016 PTF) for 13.1
XL C/C++ for AIX Fix Pack 9 (June 2017 PTF) for 13.1
XL C/C++ for AIX Fix Pack 10 (February 2018 PTF) for 13.1
XL C/C++ for AIX Fix Pack 11 (November 2018 PTF) for 13.1

APAR status

• Closed as program error.

Error description

• The presence of the sizeof operator in a function that gets
  inlined is causing an internal error to occur in the xlCentry
  component of the compiler.
  
  
     === TEST CASE ===
  
  struct mystruct { char val[80]; };
  void func1(void) { unsigned int num = sizeof(mystruct::val); }
  void func2(void) { func1(); }
  
  
  $ xlC -qinline -c test.cpp
  xlC: 1501-230 (S) Internal compiler error; please contact your
  Service Representative. For more information visit:
  http://www.ibm.com/support/docview.wss?uid=swg21110810
  $
  

Local fix

• Do not use -qinline
  

Problem summary

• PROBLEM DESCRIPTION:
  Inlining code containing the sizeof operator is encountering an
  error condition within the compiler.
  
  USERS AFFECTED:
  Users of the sizeof operator and code inlining.
  

Problem conclusion

• The issue has been resolved.
  

Temporary fix

Comments

APAR Information

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

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

  LI78453

Fix information

• Fixed component name

  XL C/C++ FOR AI

• Fixed component ID

  5725C7200

Applicable component levels