re PR fortran/78279 (ICE in identical_array_ref, at fortran/dependency.c:104)

2016-12-01  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/78279
	* dependency.c (identical_array_ref): Convert gcc_assert to conditional
	and gfc_internal_error.

2016-12-01  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/78279
	* gfortran.dg/pr78279.f90: New test.

From-SVN: r243131

diff --git a/gcc/fortran/ChangeLog b/gcc/fortran/ChangeLog
index 278c08f..d410392 100644 (file)
--- a/gcc/fortran/ChangeLog
+++ b/gcc/fortran/ChangeLog
@@ -1,3 +1,9 @@
+2016-12-01  Steven G. Kargl  <kargl@gcc.gnu.org>
+
+       PR fortran/78279
+       * dependency.c (identical_array_ref): Convert gcc_assert to conditional
+       and gfc_internal_error.
+
 2016-11-30  Andre Vehreschild  <vehre@gcc.gnu.org>
 
        * check.c (gfc_check_allocated): By pass the caf_get call and check on

diff --git a/gcc/fortran/dependency.c b/gcc/fortran/dependency.c
index 82c5e6b..4a3c1a7 100644 (file)
--- a/gcc/fortran/dependency.c
+++ b/gcc/fortran/dependency.c
@@ -101,7 +101,9 @@ identical_array_ref (gfc_array_ref *a1, gfc_array_ref *a2)
 
   if (a1->type == AR_ELEMENT && a2->type == AR_ELEMENT)
     {
-      gcc_assert (a1->dimen == a2->dimen);
+      if (a1->dimen != a2->dimen)
+       gfc_internal_error ("identical_array_ref(): inconsistent dimensions");
+
       for (i = 0; i < a1->dimen; i++)
        {
          if (gfc_dep_compare_expr (a1->start[i], a2->start[i]) != 0)

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d6e5ac4..321a48a 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2016-12-01  Steven G. Kargl  <kargl@gcc.gnu.org>
+
+       PR fortran/78279
+       * gfortran.dg/pr78279.f90: New test.
+
 2016-12-01  David Edelsohn  <dje.gcc@gmail.com>
 
        * g++.dg/tls/pr77285-1.C: dg-add-options tls

diff --git a/gcc/testsuite/gfortran.dg/pr78279.f90 b/gcc/testsuite/gfortran.dg/pr78279.f90
new file mode 100644 (file)
index 0000000..cb01752
--- /dev/null
+++ b/gcc/testsuite/gfortran.dg/pr78279.f90
@@ -0,0 +1,10 @@
+! { dg-do compile }
+! { dg-options "-Ofast" }
+program p
+   integer :: i
+   real :: z(2,4)
+   z = 0.0
+   do i = 1, 3
+      if ( z(i) > z(1,i+1) ) print *, i   ! { dg-error "mismatch in array reference" }
+   end do
+end