Hi all, the attached patch fixes the ICE when the options in the title are used. Two issues caused this ICE:
1. the error-printing routines relied on the locus.nextc which was not
set by the gfc_set_backend_locus() and is now set by the patch
(locally, not in gfc_set_backend_locus()).
2. the locus of the function whose result triggered the warning (and
with it the ICE) was set too late.
Both issues are addressed by the patch. Albeit I am not quite sure,
whether my solution to 1. (the first chunk in the patch) is ok this
way.
Bootstraps and regtests ok on x86_64-linux-gnu/F23.
Ok for trunk? And with one week delay for gcc-5- and -6-branch?
Regards,
Andre
--
Andre Vehreschild * Email: vehre ad gmx dot de
pr70524_1.clog
Description: Binary data
diff --git a/gcc/fortran/trans-array.c b/gcc/fortran/trans-array.c
index e95c8dd..d52cd11 100644
--- a/gcc/fortran/trans-array.c
+++ b/gcc/fortran/trans-array.c
@@ -6103,7 +6103,12 @@ gfc_trans_dummy_array_bias (gfc_symbol * sym, tree tmpdesc,
return;
}
+ loc.nextc = NULL;
gfc_save_backend_locus (&loc);
+ /* loc.nextc is not set by save_backend_locus but the location routines
+ depend on it. */
+ if (loc.nextc == NULL)
+ loc.nextc = loc.lb->line;
gfc_set_backend_locus (&sym->declared_at);
/* Descriptor type. */
diff --git a/gcc/fortran/trans-decl.c b/gcc/fortran/trans-decl.c
index 05dfcb4..2a34a4c 100644
--- a/gcc/fortran/trans-decl.c
+++ b/gcc/fortran/trans-decl.c
@@ -4087,6 +4087,8 @@ gfc_trans_deferred_vars (gfc_symbol * proc_sym, gfc_wrapped_block * block)
else if (proc_sym->as)
{
tree result = TREE_VALUE (current_fake_result_decl);
+ gfc_save_backend_locus (&loc);
+ gfc_set_backend_locus (&proc_sym->declared_at);
gfc_trans_dummy_array_bias (proc_sym, result, block);
/* An automatic character length, pointer array result. */
@@ -4096,8 +4098,6 @@ gfc_trans_deferred_vars (gfc_symbol * proc_sym, gfc_wrapped_block * block)
tmp = NULL;
if (proc_sym->ts.deferred)
{
- gfc_save_backend_locus (&loc);
- gfc_set_backend_locus (&proc_sym->declared_at);
gfc_start_block (&init);
tmp = gfc_null_and_pass_deferred_len (proc_sym, &init, &loc);
gfc_add_init_cleanup (block, gfc_finish_block (&init), tmp);
diff --git a/gcc/testsuite/gfortran.dg/dependency_48.f90 b/gcc/testsuite/gfortran.dg/dependency_48.f90
new file mode 100644
index 0000000..6470019
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/dependency_48.f90
@@ -0,0 +1,26 @@
+! { dg-do compile }
+! { dg-options "-frepack-arrays -Warray-temporaries -O" }
+
+! Same as dependency_35 but with repack-arrays
+
+module foo
+ implicit none
+contains
+ pure function bar(i,j) ! { dg-warning "Creating array temporary at \\(1\\)" }
+ integer, intent(in) :: i,j
+ integer, dimension(2,2) :: bar
+ bar = 33
+ end function bar
+end module foo
+
+program main
+ use foo
+ implicit none
+ integer a(2,2), b(2,2),c(2,2), d(2,2), e(2)
+
+ read (*,*) b, c, d
+ a = matmul(b,c) + d
+ a = b + bar(3,4)
+ a = bar(3,4)*5 + b
+ e = sum(b,1) + 3
+end program main
