IV26282: COMPILING WITH -QDFP CAUSES INTERNAL ERROR

November 2012 PTF for XL C for AIX, V12.1
November 2012 PTF for XL C/C++ for AIX, V12.1
March 2013 PTF for XL C for AIX, V12.1
March 2013 PTF for XL C/C++ for AIX, V12.1

APAR status

• Closed as program error.

Error description

• Compiler issues Internal Compiler Error while trying to compile
  a test case with -qdfp.
  
  Testcase:
  
  $cat sample.c
  #include <stdlib.h>
  #include <stdio.h>
  
  int main(int argc, char **argv)
  {
          int     n = 0;
  
          for (n = 0; n < 50; n++) {
                  printf("%DDf\n", ((n%2)==1) ? 100.0dl : 50.0dl);
  /*
                  if ((n%2)==1) {
                          printf("%DDf\n", 100.0dl);
                  }
                  else {
                          printf("%DDf\n", 50.0dl);
                  }
  */
          }
  
          return 0;
  }
  
  Command to compile:
  
  xlc -qdfp -qarch=pwr6 sample.c
  
  Output:
  
      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

• Internal compiler error while using -qdfp
  

Problem conclusion

• The problem had 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:

  LI77163

Fix information

• Fixed component name

  XL C FOR AIX

• Fixed component ID

  5725C7100

Applicable component levels

• RC10 PSY U856101

     UP C