IJ14859: EXTENDED INITIALIZER LIST NOT SUPPORTED

XL C/C++ for AIX, V16.1.0.2 Fix Pack (March 2019)

APAR status

• Closed as program error.

Error description

• The XL C/C++ for Linux, V16.1.1.1 compiler produces an error
  message when trying to compile the provided test case:
  
  $ cat xl_init_errors.cpp
  #include <stdio.h>
  
  struct s
  {
    int m[2][2] = {{0}};
  };
  
  typedef int matrix[2][2];
  struct t
  {
    matrix m{};
  };
  
  struct u
  {
    int m[2][2] = {{0,0}, {0,0}};
  };
  
  int main()
  {
    s s;
    t t;
    u u;
    printf("%d %d %d %d\n", s.m[0][0], s.m[0][1], s.m[1][0],
  s.m[1][1]);
    printf("%d %d %d %d\n", t.m[0][0], t.m[0][1], t.m[1][0],
  t.m[1][1]);
    printf("%d %d %d %d\n", u.m[0][0], u.m[0][1], u.m[1][0],
  u.m[1][1]);
    return 0;
  }
  $ xlc++ -std=c++11 xl_init_errors.cpp
  xl_init_errors.cpp:5:17: error: 1540-2991 The expression is not
  supported.
    int m[2][2] = {{0}};
                  ^
  1 error generated.
  Error while processing xl_init_errors.cpp.
  $
  
  ===== EXPECTED OUTPUT:
  Should compile clean
  

Local fix

• N/A
  

Problem summary

• USERS AFFECTED:
  Users who have test cases that make use of the extended
  initializer list feature
  of the C++ Standard are affected by this issue.
  
  PROBLEM DESCRIPTION:
  The compiler was incorrectly processing extended initializer
  lists.
  

Problem conclusion

• The issue has been fixed in the compiler.
  

Temporary fix

Comments

APAR Information

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

  LI80470

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

Fix information

• Fixed component name

  XL C/C++ FOR AI

• Fixed component ID

  5725C7200

Applicable component levels

• RG10 PSY