IV97980: INTERNAL COMPILER ERROR IN XLCENTRY

XL C for AIX Fix Pack 19 (August 2017 Update) for 12.1
XL C/C++ for AIX Fix Pack 19 (August 2017 Update) for 12.1
XL C for AIX Fix Pack 20 (March 2018 Update) for 12.1
XL C/C++ for AIX Fix Pack 20 (March 2018 Update) for 12.1
XL C/C++ for AIX Fix Pack 21 (January 2019 Update) for 12.1
XL C for AIX Fix Pack 21 (January 2019 Update) for 12.1

APAR status

• Closed as program error.

Error description

• The compiler produces an internal compiler error for the
  following testcase:
  
  =====Compile Command:
  $ xlc test_bad.c -P -C -v -I/usr/informix/incl/esql -Iinclude/pp
  -Iinclude/interface -Iinclude -qlistopt
  
  
  =====Testcase:
  $ cat test_bad.c
  
  /* test_bad: include pp_include.h */
  #include <pp_include.h>
  
  #define gen_server_bind_name g02_sty_hst
  #define gen_service_switch gen_service_switch_include
  
  #include pp_include(gen_server_define_include)
  /* test_bad: gen_server_define_include is: */
  gen_server_define_include
  
  /* test_bad: include gen_server_include.h which does nothing but
  #include gen_server_define_include
  */
  #include <gen_server_include.h>
  
  /* test_bad: end */
  
  $
  
  ===== ACTUAL OUTPUT:
  Internal Compiler Error
  
  ===== EXPECTED OUTPUT:
  Clean compile
  

Local fix

• N/A
  

Problem summary

• USERS AFFECTED:
  Users using XLC to compile C file of this concern case are
  affected by this issue
  
  PROBLEM DESCRIPTION:
  The compiler issues an Internal Compiler Error due to a deep
  nested include file
  

Problem conclusion

• The Internal Compiler Error has been resolved
  

Temporary fix

Comments

APAR Information

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

  IV95895

• 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

• RC10 PSN IV95895

     UP06/09/13