IV21969: INTERNAL COMPILER ERROR WITH -QDFP

July 2012 PTF for XL C/C++ for AIX, V11.1
October 2012 PTF for XL C/C++ for AIX, V11.1
October 2012 PTF for XL C for AIX, V11.1
February 2013 PTF for XL C for AIX, V11.1
February 2013 PTF for XL C/C++ for AIX, V11.1
XL C/C++ for AIX Fix Pack 14 (May 2013 PTF) for 11.1
XL C for AIX Fix Pack 14 (May 2013 PTF) for 11.1
XL C/C++ for AIX Fix Pack 15 (August 2013 PTF) for 11.1
XL C for AIX Fix Pack 15 (August 2013 PTF) for 11.1
XL C/C++ for AIX Fix Pack 16 (November 2013 PTF) for 11.1
XL C for AIX Fix Pack 17 (February 2014 PTF) for 11.1
XL C/C++ for AIX Fix Pack 17 (February 2014 PTF) for 11.1
XL C/C++ for AIX Fix Pack 18 (May 2014 PTF) for 11.1
XL C/C++ for AIX Fix Pack 19 (August 2014 PTF) for 11.1
XL C/C++ for AIX Fix Pack 20 (November 2014 PTF) for 11.1
XL C for AIX Fix Pack 21 (April 2015 PTF) for 11.1
XL C/C++ for AIX Fix Pack 21 (April 2015 PTF) for 11.1
XL C/C++ for AIX Fix Pack 22 (September 2015 PTF) for 11.1
XL C for AIX Fix Pack 23 (March 2016 PTF) for 11.1
XL C/C++ for AIX Fix Pack 23 (March 2016 PTF) for 11.1
XL C for AIX Fix Pack 24 (September 2016 PTF) for 11.1
XL C/C++ for AIX Fix Pack 24 (September 2016 PTF) for 11.1
July 2012 PTF for XL C for AIX, V11.1
XL C for AIX Fix Pack 16 (November 2013 PTF) for 11.1
XL C for AIX Fix Pack 18 (May 2014 PTF) for 11.1
XL C for AIX Fix Pack 19 (August 2014 PTF) for 11.1
XL C for AIX Fix Pack 20 (November 2014 PTF) for 11.1
XL C for AIX Fix Pack 22 (September 2015 PTF) for 11.1

APAR status

• Closed as program error.

Error description

• When compiling a large test case with -qdfp, the compiler
  produces an internal compiler error in the xlCcode component.
  
  ===== COMPILE COMMAND:
  xlc -qdfp  -qlanglvl=extc99 -qsuppress=1506-1350 test.c
  
  ===== ACTUAL OUTPUT:
  $xlc -qdfp  -qlanglvl=extc99 -qsuppress=1506-1350 test.c
  "/usr/include/stdlib.h", line 99.25: 1506-865 (E) The typedef
  definition of wchar_t is incompatible with the option
  wchar_t_size
      1500-004: (U) INTERNAL COMPILER ERROR while compiling Dgetp.
  Compilation ended.  Contact your Service Representative and
  provide the following information: Internal abort. For more
  information visit:
  http://www.ibm.com/support/docview.wss?uid=swg21110810
  $
  
  
  
  ===== EXPECTED OUTPUT:
  Compiler should not abend.
  

Local fix

• n/a
  

Problem summary

• USERS AFFECTED:
  DFP user may be affected by this issue.
  
  PROBLEM DESCRIPTION:
  In the example of (*initdecf(array))(array->shape, 0), calling
  a function (function B, anonymous in the example) pointer which
  is returned by another function (function A, initdecf in the
  example)
  will cause the compiler to produce an internal compiler error
  at the circumstance of DFP.
  

Problem conclusion

• This issue has been fixed.
  

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:

  IV25682 LI76999 LI77062

Fix information

• Fixed component name

  XL C FOR AIX

• Fixed component ID

  5724X1200

Applicable component levels