re PR fortran/47042 (ICE with character pointer in function)

2011-01-31  Tobias Burnus  <burnus@net-b.de>

        PR fortran/47042
        * resolve.c (resolve_fl_procedure): Reject stmt functions
        with pointer/allocatable attribute.

2011-01-31  Tobias Burnus  <burnus@net-b.de>

        PR fortran/47042
        * gfortran.dg/stmt_func_1.f90: New.

From-SVN: r169415

gcc/fortran/ChangeLog

 2011-01-31  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/47042
+	* resolve.c (resolve_fl_procedure): Reject stmt functions
+	with pointer/allocatable attribute.
+
+2011-01-31  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/47042
 	* interface.c (gfc_procedure_use): Add explicit interface check for
 	pointer/allocatable functions.
 

gcc/fortran/resolve.c

@@ -10231,6 +10231,14 @@ resolve_fl_procedure (gfc_symbol *sym, int mp_flag)
       return FAILURE;
     }
 
+  if (sym->attr.proc == PROC_ST_FUNCTION
+      && (sym->attr.allocatable || sym->attr.pointer))
+    {
+      gfc_error ("Statement function '%s' at %L may not have pointer or "
+		 "allocatable attribute", sym->name, &sym->declared_at);
+      return FAILURE;
+    }
+
   /* 5.1.1.5 of the Standard: A function name declared with an asterisk
      char-len-param shall not be array-valued, pointer-valued, recursive
      or pure.  ....snip... A character value of * may only be used in the

gcc/testsuite/ChangeLog

 2011-01-31  Tobias Burnus  <burnus@net-b.de>
 
 	PR fortran/47042
+	* gfortran.dg/stmt_func_1.f90: New.
+
+2011-01-31  Tobias Burnus  <burnus@net-b.de>
+
+	PR fortran/47042
 	* gfortran.dg/interface_34.f90: New.
 
 2011-01-30  Paul Thomas  <pault@gcc.gnu.org>

gcc/testsuite/gfortran.dg/stmt_func_1.f90

+! { dg-compile }
+! { dg-options "" }
+!
+! PR fortran/47542
+!
+integer, target, save :: tgt = 77
+integer, pointer ::ptr_stmt  ! { dg-error "Statement function .ptr_stmt. at .1. may not have pointer or allocatable attribute" }
+integer, allocatable :: alloc_stmt ! { dg-error "Statement function .alloc_stmt. at .1. may not have pointer or allocatable attribute" }
+
+ptr_stmt() = tgt
+alloc_stmt() = 78
+end