https://gcc.gnu.org/bugzilla/show_bug.cgi?id=128093
--- Comment #3 from Paul Thomas <pault at gcc dot gnu.org> ---
init_expr->param_list = NULL;
> gfc_replace_expr (init_expr, var);
> /* Deallocate temporary PDT's allocatable components. */
> - if (var->symtree->n.sym->ts.u.derived->attr.alloc_comp)
> + if (init_expr->symtree->n.sym->ts.u.derived->attr.alloc_comp)
> {
> - tree var_decl = gfc_get_symbol_decl (var->symtree->n.sym);
> - tmp = gfc_deallocate_pdt_comp
> (var->symtree->n.sym->ts.u.derived,
> + tree var_decl = gfc_get_symbol_decl
> (init_expr->symtree->n.sym);
> + tmp = gfc_deallocate_pdt_comp
> (init_expr->symtree->n.sym->ts.u.derived,
> var_decl, 0);
> gfc_add_expr_to_block (&block, tmp);
> }
Iain,
The current state should not have worked on any platform IMHO.
Moving gfc_replace_expr (init_expr, var); to after the deallocation of PDT
components fixes the problem too, does it not?
diff --git a/gcc/fortran/trans-stmt.cc b/gcc/fortran/trans-stmt.cc
index 65bf2ec9d93..2c0b64a8dcf 100644
--- a/gcc/fortran/trans-stmt.cc
+++ b/gcc/fortran/trans-stmt.cc
@@ -7818,6 +7818,7 @@ gfc_trans_allocate (gfc_code * code, gfc_omp_namelist
*omp_allocate)
{
gfc_expr *var;
tree decl;
+ gfc_symbol *derived;
var = gfc_get_temp_from_expr (init_expr, gfc_current_ns, false);
decl = gfc_get_symbol_decl (var->symtree->n.sym);
tmp = gfc_allocate_pdt_comp (init_expr->ts.u.derived, decl,
@@ -7829,11 +7830,12 @@ gfc_trans_allocate (gfc_code * code, gfc_omp_namelist
*omp_allocate)
init_expr->param_list = NULL;
gfc_replace_expr (init_expr, var);
/* Deallocate temporary PDT's allocatable components. */
- if (var->symtree->n.sym->ts.u.derived->attr.alloc_comp)
+ derived = expr->symtree->n.sym->ts.u.derived;
+ if (derived->attr.alloc_comp)
{
- tree var_decl = gfc_get_symbol_decl (var->symtree->n.sym);
- tmp = gfc_deallocate_pdt_comp
(var->symtree->n.sym->ts.u.derived,
- var_decl, 0);
+ tree var_decl
+ = gfc_get_symbol_decl (init_expr->symtree->n.sym);
+ tmp = gfc_deallocate_pdt_comp (derived, var_decl, 0);
gfc_add_expr_to_block (&block, tmp);
}
}
Regtesting right now.
Paul