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[Committed] PR fortran/71067 -- set a pointer to NULL


Committed as obvious.

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.

Index: gcc/fortran/decl.c
===================================================================
--- gcc/fortran/decl.c	(revision 238824)
+++ gcc/fortran/decl.c	(working copy)
@@ -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))
Index: gcc/testsuite/gfortran.dg/pr71067_1.f90
===================================================================
--- gcc/testsuite/gfortran.dg/pr71067_1.f90	(nonexistent)
+++ gcc/testsuite/gfortran.dg/pr71067_1.f90	(working copy)
@@ -0,0 +1,5 @@
+program p
+   integer :: i = 0
+   integer :: z(2)
+   data z /2*i/ ! { dg-error "must be a PARAMETER in DATA" }
+end
Index: gcc/testsuite/gfortran.dg/pr71067_2.f90
===================================================================
--- gcc/testsuite/gfortran.dg/pr71067_2.f90	(nonexistent)
+++ gcc/testsuite/gfortran.dg/pr71067_2.f90	(working copy)
@@ -0,0 +1,7 @@
+! { 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
-- 
Steve


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