IJ08177: INTERNAL COMPILER ERROR IN XLCENTRY

XL C for AIX, V13.1.3.5 Fix Pack (July 2018)
XL C/C++ for AIX, V13.1.3.5 Fix Pack (July 2018)
XL C for AIX, V13.1.3.6 Fix Pack (May 2019)
XL C/C++ for AIX, V13.1.3.6 Fix Pack (May 2019)

APAR status

• Closed as program error.

Error description

• Compiler produces an internal compiler error in xlcetnry when
  compiling the following testcase:
  
  ===== COMPILE COMMAND:
  xlc -c test.c
  
  ===== TESTCASE:
  $ cat test.c
  #define MIN(a,b) ((a)<(b) ? (a) : (b))
  #define TEST_FAIL_CASE MIN(30, 30)
  #define TEST_SUCC_CASE 30
  #define TEST_STATIC_ASSERT(c) { enum { TEST_static_assert =
  1/(int)(!!(c)) };
  
  
  int main(int argc, char *argv[])
  {
  TEST_STATIC_ASSERT(TEST_FAIL_CASE <= 30);
  TEST_STATIC_ASSERT(TEST_SUCC_CASE <= 30);
  printf("Testing TEST_STATIC_ASSERT\n");
  return 0;
  }
  $
  
  
  ===== ACTUAL OUTPUT:
  $ xlc -c test.c
  /opt/IBM/xlC/13.1.0/bin/.orig/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
  $
  
  ===== EXPECTED OUTPUT:
  Clean compile
  

Local fix

• N/A
  

Problem summary

• USERS AFFECTED:
  Users who code a conditional expression in a compile-time
  constant expression are affected by this issue
  
  PROBLEM DESCRIPTION:
  Compiler produces an internal compiler error in the front end
  while handling conditional expression in a compile-time constant
  expression.
  

Problem conclusion

• The compiler has been fixed to handle the above scenario
  

Temporary fix

Comments

APAR Information

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

  IJ08117

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

Fix information

• Fixed component name

  XL C FOR AIX

• Fixed component ID

  5725C7100

Applicable component levels

• RD13 PSN IJ08117

     UP06/09/13