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re PR fortran/71895 (ICE in gfc_compare_derived_types, at fortran/interface.c:520)

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2016-10-24  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/71895
	* interface.c (gfc_compare_derived_types):  Convert gcc_assert()
	to a gfc_internal_error() to prevent an ICE.

2016-10-24  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/71895
	* gfortran.dg/pr71895.f90: New test.

From-SVN: r241493
This commit is contained in:
Steven G. Kargl 2016-10-24 19:21:42 +00:00
parent 0f2a9e37fa
commit c708217135
4 changed files with 23 additions and 1 deletions
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6
gcc/fortran/ChangeLog
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@ -1,3 +1,9 @@
2016-10-24 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/71895
* interface.c (gfc_compare_derived_types): Convert gcc_assert()
to a gfc_internal_error() to prevent an ICE.
2016-10-24 Jakub Jelinek <jakub@redhat.com>
* trans-intrinsic.c (gfc_conv_intrinsic_minmax): Use VAR_P (x)

3
gcc/fortran/interface.c
View file

@ -615,7 +615,8 @@ gfc_compare_derived_types (gfc_symbol *derived1, gfc_symbol *derived2)
if (derived1 == derived2)
return 1;
gcc_assert (derived1 && derived2);
if (!derived1 || !derived2)
gfc_internal_error ("gfc_compare_derived_types: invalid derived type");
/* Compare UNION types specially. */
if (derived1->attr.flavor == FL_UNION || derived2->attr.flavor == FL_UNION)

5
gcc/testsuite/ChangeLog
View file

@ -1,3 +1,8 @@
2016-10-24 Steven G. Kargl <kargl@gcc.gnu.org>
PR fortran/71895
* gfortran.dg/pr71895.f90: New test.
2016-10-24 Jakub Jelinek <jakub@redhat.com>
* g++.dg/debug/dwarf2/ref-2.C: New test.

10
gcc/testsuite/gfortran.dg/pr71895.f90 Normal file
View file

@ -0,0 +1,10 @@
! { dg-do compile }
program p
type t
integer :: n
end type
type(t) :: x
class(t) :: y ! { dg-error "must be dummy, allocatable or pointer" }
print *, extends_type_of(x, y)
print *, extends_type_of(y, x)
end