IV11200: INTERNAL COMPILER ERROR WITH -QWARN64

May 2012 PTF for XL C/C++ for AIX, V10.1
January 2013 PTF for XL C/C++ for AIX, V10.1
XL C/C++ for AIX Fix Pack 18 (July 2013 PTF) for 10.1
XL C/C++ for AIX Fix Pack 19 (October 2013 PTF) for 10.1
XL C/C++ for AIX Fix Pack 21 (October 2015 PTF) for 10.1
February 2012 PTF for XL C/C++ for AIX, V10.1
September 2012 PTF for XL C/C++ for AIX, V10.1
XL C/C++ for AIX Fix Pack 20 (October 2014 PTF) for 10.1

APAR status

• Closed as program error.

Error description

• When compiling the following test case with -qwarn64 to enable
  informational messages for 32-bit to 64-bit migration issues,
  the compiler is encountering an internal error.
  
  
       ======  TEST CASE  ======
  
  extern char *param;
  extern void func(const void *);
  
  void test() {
      func( (void *)(0x2000 + (long)(&param)));
  }
  
  
  $ xlC -c -qwarn64 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

• N/A
  

Problem summary

• PROBLEM DESCRIPTION:
  The -qwarn64 option causes an internal compiler error in the
  C++ compiler when operating on certain pointer arithmetic
  patterns, on certain levels.
  
  USERS AFFECTED:
  C++ users, on certain AIX levels, when invoking the compiler
  with -qwarn64.
  

Problem conclusion

• Fixed the compiler to work with pointer arithmetic during
  warn64 analysis.
  

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:

  IV11360 LI76625 LI76877 LI76890

Fix information

• Fixed component name

  XL C++ AIX

• Fixed component ID

  5724U8100

Applicable component levels