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| author | Janus Weil <janus@gcc.gnu.org> | 2016-11-09 10:22:52 +0100 |
|---|---|---|
| committer | Janus Weil <janus@gcc.gnu.org> | 2016-11-09 10:22:52 +0100 |
| commit | 5f395580078d31f52b920a46a723da54c080a04e (patch) | |
| tree | 330b6280c13ed8c8598700f1b8fc0611247f2631 /gcc | |
| parent | 37b141851078b5119156780c2d897639d483625b (diff) | |
| download | gcc-5f395580078d31f52b920a46a723da54c080a04e.zip gcc-5f395580078d31f52b920a46a723da54c080a04e.tar.gz gcc-5f395580078d31f52b920a46a723da54c080a04e.tar.bz2 | |
re PR fortran/71894 ([OOP] ICE in gfc_add_component_ref, at fortran/class.c:227)
2016-11-09 Janus Weil <janus@gcc.gnu.org>
PR fortran/71894
* class.c (gfc_add_component_ref): Add safety checks to avoid ICE.
2016-11-09 Janus Weil <janus@gcc.gnu.org>
PR fortran/71894
* gfortran.dg/class_59.f90: New test.
From-SVN: r241993
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/fortran/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/fortran/class.c | 3 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gfortran.dg/class_59.f90 | 25 |
4 files changed, 37 insertions, 1 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog index 499c3d4..6c39866 100644 --- a/gcc/fortran/ChangeLog +++ b/gcc/fortran/ChangeLog @@ -1,3 +1,8 @@ +2016-11-09 Janus Weil <janus@gcc.gnu.org> + + PR fortran/71894 + * class.c (gfc_add_component_ref): Add safety checks to avoid ICE. + 2016-11-08 Janus Weil <janus@gcc.gnu.org> PR fortran/68440 diff --git a/gcc/fortran/class.c b/gcc/fortran/class.c index 400c22a..b7f68d2 100644 --- a/gcc/fortran/class.c +++ b/gcc/fortran/class.c @@ -224,7 +224,8 @@ gfc_add_component_ref (gfc_expr *e, const char *name) break; tail = &((*tail)->next); } - if (derived->components->next->ts.type == BT_DERIVED && + if (derived->components && derived->components->next && + derived->components->next->ts.type == BT_DERIVED && derived->components->next->ts.u.derived == NULL) { /* Fix up missing vtype. */ diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 888e9e2..43586a9 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2016-11-09 Janus Weil <janus@gcc.gnu.org> + + PR fortran/71894 + * gfortran.dg/class_59.f90: New test. + 2016-11-09 Richard Biener <rguenther@suse.de> PR tree-optimization/78007 diff --git a/gcc/testsuite/gfortran.dg/class_59.f90 b/gcc/testsuite/gfortran.dg/class_59.f90 new file mode 100644 index 0000000..e077ef8 --- /dev/null +++ b/gcc/testsuite/gfortran.dg/class_59.f90 @@ -0,0 +1,25 @@ +! { dg-do compile } +! +! PR 71894: [OOP] ICE in gfc_add_component_ref, at fortran/class.c:227 +! +! Contributed by Gerhard Steinmetz <gerhard.steinmetz.fortran@t-online.de> + +subroutine s1 + type t + integer :: n + end type + type(t) :: x + class(t) :: y ! { dg-error "must be dummy, allocatable or pointer" } + x = y +end + +subroutine s2 + type t + end type + class(t) :: x ! { dg-error "must be dummy, allocatable or pointer" } + class(t), allocatable :: y + select type (y) + type is (t) + y = x + end select +end |