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Status Delivered
Workspace C/C++ and Fortran Compilers
Categories Fortran
Created by Guest
Created on Jul 16, 2019

RELATED IDEAS

XLF: Support for Fortran 2008 feature for non-Null procedure pointer initialization

SalesForce Case: TS002130032
PMR: 84896,227,000

In pursuit of the adoption of RAII (Resource acquisition is initialization) the client has a major dependency on a Fortran 2008 feature that is currently not supported by the IBM XLF compiler.

The feature is described in section "5.5 Pointer Initialization" from the Fortran 2008 summary document available at https://wg5-fortran.org/N1801-N1850/N1828.pdf and appended here:

5.5 Pointer initialization
A pointer may be initially associated with a target with the save attribute:
. type (entry), target, save :: bottom
. type (entry), pointer :: top => bottom
and a pointer component may be default initialized as associated with a target.

When using the XLF compiler, including a function pointer declaration with the following form that attempts to initialize the pointer with a non-NULL value

procedure(abs_int) , pointer :: func_ptr => func_ptr_default

Produces the following compiler failure:

"externalPublic.f90", line 11.37: 1516-036 (S) Entity func_ptr has undefined type.
"externalPublic.f90", line 11.64: 1515-019 (S) Syntax is incorrect.

Idea priority High
  • Guest
    Reply
    |     Dec 14, 2021

    This RFE has been implemented in XL Fortran for Linux, V16.1.1 Fix PAck 5

  • Guest
    Reply
    |     Aug 23, 2019

    This RFE has been implemented

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