diff options
| -rw-r--r-- | gcc/fortran/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/fortran/dependency.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gfortran.dg/pr92874.f90 | 11 |
4 files changed, 24 insertions, 0 deletions
diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog index b34a684..bcc8218 100644 --- a/gcc/fortran/ChangeLog +++ b/gcc/fortran/ChangeLog @@ -1,3 +1,9 @@ +2019-12-10 Martin Liska <mliska@suse.cz> + + PR fortran/92874 + * dependency.c (gfc_dep_compare_expr): Bail out + when one of the arguments is null. + 2019-12-10 Thomas Koenig <tkoenig@gcc.gnu.org> PR fortran/92863 diff --git a/gcc/fortran/dependency.c b/gcc/fortran/dependency.c index 394d85b..eb74113 100644 --- a/gcc/fortran/dependency.c +++ b/gcc/fortran/dependency.c @@ -319,6 +319,8 @@ gfc_dep_compare_expr (gfc_expr *e1, gfc_expr *e2) if (e1 == NULL && e2 == NULL) return 0; + else if (e1 == NULL || e2 == NULL) + return -2; e1 = gfc_discard_nops (e1); e2 = gfc_discard_nops (e2); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 39e5366..06ffc52 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2019-12-10 Martin Liska <mliska@suse.cz> + + PR fortran/92874 + * gfortran.dg/pr92874.f90: New test. + 2019-12-10 Thomas Koenig <tkoenig@gcc.gnu.org> PR fortran/92863 diff --git a/gcc/testsuite/gfortran.dg/pr92874.f90 b/gcc/testsuite/gfortran.dg/pr92874.f90 new file mode 100644 index 0000000..a1fca3d --- /dev/null +++ b/gcc/testsuite/gfortran.dg/pr92874.f90 @@ -0,0 +1,11 @@ +! { dg-do compile } +! { dg-options "-O2" } +! PR fortran/92874 +program p + call s('a') + call s('abc') +end +subroutine s(x) + character(*) :: x + print *, (x(1:1) == x(1:)) +end |