240204.194835.HKT get back the accidentally removed comments in linco…

…a_c.f90 and uobyqa_c.f90

c/lincoa_c.f90

@@ -57,6 +57,7 @@ subroutine lincoa_c(cobj_ptr, data_ptr, n, x, f, cstrv, m_ineq, Aineq, bineq, m_
 ! The initialization below to null is necessary to avoid a bug with the newer Intel compiler ifx.
 ! See details here: https://fortran-lang.discourse.group/t/strange-issue-with-ifx-compiler-and-assume-recursion/7013
 ! The bug was observed in all versions of ifx up to 2024.0.1. Once this bug is fixed we should remove the
+! initialization to null because it implies the 'save' attribute, which is undesirable.
 procedure(CCALLBACK), pointer :: cb_ptr => null()
 procedure(COBJ), pointer :: obj_ptr => null()
 real(C_DOUBLE), pointer :: xl_loc_interm(:)

c/uobyqa_c.f90

@@ -40,6 +40,10 @@ subroutine uobyqa_c(cobj_ptr, data_ptr, n, x, f, nf, rhobeg, rhoend, ftarget, ma
 integer(IK) :: iprint_loc
 integer(IK) :: nf_loc
 integer(IK), allocatable :: maxfun_loc
+! The initialization below to null is necessary to avoid a bug with the newer Intel compiler ifx.
+! See details here: https://fortran-lang.discourse.group/t/strange-issue-with-ifx-compiler-and-assume-recursion/7013
+! The bug was observed in all versions of ifx up to 2024.0.1. Once this bug is fixed we should remove the
+! initialization to null because it implies the 'save' attribute, which is undesirable.
 procedure(CCALLBACK), pointer :: cb_ptr => null()
 procedure(COBJ), pointer :: obj_ptr => null()
 real(RP) :: f_loc