re PR fortran/71067 (ICE on data initialization with insufficient value)

2016-07-28  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/71067
	* decl.c (match_data_constant): On error, set 'result' to NULL.

2016-07-28  Steven G. Kargl  <kargl@gcc.gnu.org>

	PR fortran/71067
	* gfortran.dg/pr71067_1.f90: New test.
	* gfortran.dg/pr71067_2.f90: Ditto.

From-SVN: r238842

gcc/fortran/ChangeLog

 2016-07-28  Steven G. Kargl  <kargl@gcc.gnu.org>
 
+	PR fortran/71067
+	* decl.c (match_data_constant): On error, set 'result' to NULL.
+
+2016-07-28  Steven G. Kargl  <kargl@gcc.gnu.org>
+
 	PR fortran/71799
 	* resolve.c(gfc_resolve_iterator): Failure of type conversion need
 	not ICE.

gcc/fortran/decl.c

@@ -395,6 +395,7 @@ match_data_constant (gfc_expr **result)
     {
       gfc_error ("Symbol %qs must be a PARAMETER in DATA statement at %C",
 		 name);
+      *result = NULL;
       return MATCH_ERROR;
     }
   else if (dt_sym && gfc_fl_struct (dt_sym->attr.flavor))

gcc/testsuite/ChangeLog

+2016-07-28  Steven G. Kargl  <kargl@gcc.gnu.org>
+
+	PR fortran/71067
+	* gfortran.dg/pr71067_1.f90: New test.
+	* gfortran.dg/pr71067_2.f90: Ditto.
+
 2016-07-28  Michael Meissner  <meissner@linux.vnet.ibm.com>
 
 	* gcc.target/powerpc/vec-extract-1.c: New test.

gcc/testsuite/gfortran.dg/pr71067_1.f90

+program p
+   integer :: i = 0
+   integer :: z(2)
+   data z /2*i/ ! { dg-error "must be a PARAMETER in DATA" }
+end

gcc/testsuite/gfortran.dg/pr71067_2.f90

+! { dg-do compile }
+program p
+   integer :: a(2), b(2), c(2)
+   data a /2*b1'/ ! { dg-error "must be a PARAMETER in DATA" }
+   data b /2*o1'  ! { dg-error "must be a PARAMETER in DATA" }
+   data c /2*z1   ! { dg-error "must be a PARAMETER in DATA" }
+end