re PR fortran/77429 (ICE in gfc_check_dependency, at fortran/dependency.c:1261)

2016-09-25  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77429 
	* dependency.c (gfc_check_dependency):  Convert gcc_assert() to
	a conditional and possible call to  gfc_internal_error().

2016-09-25  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/77429 
	* gfortran.dg/pr77429.f90: New test.

From-SVN: r240477

gcc/fortran/ChangeLog

 2016-09-25  Steven G. Kargl  <kargl@gcc.gnu.org>
 
+	PR fortran/77429 
+	* dependency.c (gfc_check_dependency):  Convert gcc_assert() to
+	a conditional and possible call to  gfc_internal_error().
+
+2016-09-25  Steven G. Kargl  <kargl@gcc.gnu.org>
+
 	PR fortran/77694
 	* frontend-passes.c (optimize_binop_array_assignment): Check pointer
 	for NULL.

gcc/fortran/dependency.c

@@ -1258,7 +1258,8 @@ gfc_check_dependency (gfc_expr *expr1, gfc_expr *expr2, bool identical)
       && strcmp (expr1->value.function.name, "_F.caf_get") == 0)
     return 0;
 
-  gcc_assert (expr1->expr_type == EXPR_VARIABLE);
+  if (expr1->expr_type != EXPR_VARIABLE)
+    gfc_internal_error ("gfc_check_dependency: expecting an EXPR_VARIABLE");
 
   switch (expr2->expr_type)
     {

gcc/testsuite/ChangeLog

 2016-09-25  Steven G. Kargl  <kargl@gcc.gnu.org>
 
+	PR fortran/77429 
+	* gfortran.dg/pr77429.f90: New test.
+
+2016-09-25  Steven G. Kargl  <kargl@gcc.gnu.org>
+
 	PR fortran/77694
 	* gfortran.dg/pr77694.f90: New test.
 

gcc/testsuite/gfortran.dg/pr77429.f90

+! { dg-do compile }
+program p
+   shape(1) = 0      ! { dg-error "expression in variable definition context" }
+   shape(1,2) = 0    ! { dg-error "expression in variable definition context" }
+   shape(1,2,3) = 0  ! { dg-error "Too many arguments in call" }
+   lbound([1]) = 0   ! { dg-error "expression in variable definition context" }
+end