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From: "burnus at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/44350] accepts illegal fortran in BLOCK DATA
Date: Tue, 22 Oct 2013 05:56:00 -0000
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=44350

Tobias Burnus <burnus at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |burnus at gcc dot gnu.org

--- Comment #6 from Tobias Burnus <burnus at gcc dot gnu.org> ---
Incomplete draft patch. It probably rejects too much and doesn't permit all
which is listed in comment 1.

--- a/gcc/fortran/parse.c
+++ b/gcc/fortran/parse.c
@@ -2629,4 +2629,19 @@ loop:
          break;
       }
+  else if (gfc_current_state () == COMP_BLOCK_DATA)
+    switch (st)
+      {
+       case ST_ATTR_DECL:
+       case ST_COMMON:
+       case ST_TYPE:
+       case ST_END_BLOCK_DATA:
+         break;
+
+       default:
+         gfc_error ("%s statement is not allowed inside of BLOCK DATA at %C",
+                    gfc_ascii_statement (st));
+         reject_statement ();
+         break;
+      }

   /* If we find a statement that can not be followed by an IMPLICIT statement