IV00729: INTERNAL ERROR WITH __REAL__ AND __IMAG__

July 2011 PTF for XL C/C++ Enterprise Edition for AIX, V9.0
December 2011 PTF for XL C/C++ Enterprise Edition for AIX, V9.0
March 2012 PTF for XL C/C++ Enterprise Edition for AIX, V9.0

APAR status

• Closed as program error.

Error description

• An internal compiler error is encountered when using the C++
  compiler to compile a program that utilizes the IBM extensions
  __real__ and __imag__.
  
  ===== TESTCASE:
  test.c:
  
  #include <stdio.h>
  #include <complex.h>
  
  main(){
    double _Complex a = 3.0 + 4.0i;
    double c_re = __real__ (~ a);
    double c_im = __imag__ (~ a);
    printf("%f\n",c_re);
    printf("%f\n",c_im);
  }
  
  
  ===== ACTUAL OUTPUT:
  # xlC -+ test.c
  1500-004: (U) INTERNAL COMPILER ERROR while compiling main.
  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
  

Local fix

• N/A.
  

Problem summary

• PROBLEM DESCRIPTION:
  An internal compiler error is encountered with the use of the
  value obtained using conjugation operator for complex types.
  
  USERS AFFECTED:
  Those using the complex conjugation operator (tilde, compl).
  

Problem conclusion

• Generate correct the correct code to represent the conjugation
  operation for complex types.
  

Temporary fix

Comments

APAR Information

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

  IZ99365

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

Fix information

• Fixed component name

  XLC C++ AIX

• Fixed component ID

  5724S7100

Applicable component levels