[all-commits] [llvm/llvm-project] d03cd0: [flang] Propagate the BIND(C) attribute into proce...

[Peter Klausler via All-commits]

  Branch: refs/heads/main
  Home:   https://github.com/llvm/llvm-project
  Commit: d03cd05f077f92e87f354aca4cdea599b678b64e
      https://github.com/llvm/llvm-project/commit/d03cd05f077f92e87f354aca4cdea599b678b64e
  Author: Peter Klausler <35819229+klausler at users.noreply.github.com>
  Date:   2024-06-03 (Mon, 03 Jun 2024)

  Changed paths:
    M flang/lib/Semantics/resolve-names.cpp
    M flang/test/Semantics/bind-c02.f90
    A flang/test/Semantics/bind-c16.f90

  Log Message:
  -----------
  [flang] Propagate the BIND(C) attribute into procedures from their in… (#93994)

…terfaces

In "PROCEDURE(iface) :: proc", if "iface" has the BIND(C) attribute,
then so should proc, as if the declaration had been "PROCEDURE(iface),
BIND(C) :: proc". This had been working in name resolution only in cases
where "iface" had been declared before "proc".

Note that if "iface" is declared with an empty binding name
("BIND(C,NAME='')"), "proc" does not inherit that property. Use an
explicit "BIND(C,NAME='')" on the "PROCEDURE" statement for that.

This behavior is not clearly defined in the standard, but seems to match
what some other Fortran compilers do.



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