1 files changed, 24 insertions, 0 deletions
diff --git a/gcc/testsuite/gfortran.dg/pr35983.f90 b/gcc/testsuite/gfortran.dg/pr35983.f90
new file mode 100644
index 000000000..5cc385502
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/pr35983.f90
@@ -0,0 +1,24 @@
+! { dg-do run }
+!
+! PR fortran/35983
+! C_LOC expanded to a NULL_PTR expr if called from a structure constructor
+!
+! Contributed by François-Xavier Coudert
+
+program main
+   use ISO_C_BINDING
+   implicit none
+   type, bind(C) :: descr
+      type(C_PTR) :: address
+   end type descr
+   type(descr) :: DD
+   double precision, target :: buf(1)
+   integer (C_INTPTR_T) :: i, j
+
+   buf = (/ 0 /)
+   DD = descr(c_loc(buf))
+   i = transfer (DD%address, 0_c_intptr_t)
+   j = transfer (c_loc(buf), 0_c_intptr_t)
+   if (any((/ i,j /) == 0_c_intptr_t)) call abort
+   if (i /= j) call abort
+end program main