re PR fortran/77380 (ICE in gfc_check_dependency, at fortran/dependency.c:1255)

2016-08-27  Steven G. Kargl <kargl@gcc.gnu.org>

	PR fortran/77380
	* dependency.c (gfc_check_dependency): Do not assert with
	-fcoarray=lib.

2016-08-27  Steven G. Kargl <kargl@gcc.gnu.org>

	PR fortran/77380
	* gfortran.dg/pr77380.f90: New test.

From-SVN: r239796

gcc/fortran/ChangeLog

 2016-08-27  Steven G. Kargl <kargl@gcc.gnu.org>
 
+	PR fortran/77380
+	* dependency.c (gfc_check_dependency): Do not assert with
+	-fcoarray=lib.
+
+2016-08-27  Steven G. Kargl <kargl@gcc.gnu.org>
+
 	PR fortran/77372
 	simplify.c (simplify_ieee_selected_real_kind): Check for NULL pointers.
 

gcc/fortran/dependency.c

@@ -1252,6 +1252,12 @@ gfc_check_dependency (gfc_expr *expr1, gfc_expr *expr2, bool identical)
   gfc_constructor *c;
   int n;
 
+  /* -fcoarray=lib can end up here with expr1->expr_type set to EXPR_FUNCTION
+     and a reference to _F.caf_get, so skip the assert.  */
+  if (expr1->expr_type == EXPR_FUNCTION
+      && strcmp (expr1->value.function.name, "_F.caf_get") == 0)
+    return 0;
+
   gcc_assert (expr1->expr_type == EXPR_VARIABLE);
 
   switch (expr2->expr_type)

gcc/testsuite/ChangeLog

 2016-08-27  Steven G. Kargl <kargl@gcc.gnu.org>
 
+	PR fortran/77380
+	* gfortran.dg/pr77380.f90: New test.
+
+2016-08-27  Steven G. Kargl <kargl@gcc.gnu.org>
+
 	PR fortran/77372
 	gfortran.dg/pr77372.f90: New test.
 

gcc/testsuite/gfortran.dg/pr77380.f90

+! { dg-do compile }
+! { dg-options "-fcoarray=lib -O2" }
+program p
+   integer :: z(2)[*] = 1
+   z(:)[1] = z(:)[*]       ! { dg-error "must be a scalar at" }
+end