2007-04-20 Robert Dewar <dewar@adacore.com>

[pf3gnuchains/gcc-fork.git] / gcc / ada / sem_intr.adb

diff --git a/gcc/ada/sem_intr.adb b/gcc/ada/sem_intr.adb
index b0a5579..4362a0e 100644 (file)
--- a/gcc/ada/sem_intr.adb
+++ b/gcc/ada/sem_intr.adb
@@ -6,7 +6,7 @@
 --                                                                          --
 --                                 B o d y                                  --
 --                                                                          --
---          Copyright (C) 1992-2001 Free Software Foundation, Inc.          --
+--          Copyright (C) 1992-2005, Free Software Foundation, Inc.         --
 --                                                                          --
 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
 -- terms of the  GNU General Public License as published  by the Free Soft- --
@@ -16,8 +16,8 @@
 -- or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License --
 -- for  more details.  You should have  received  a copy of the GNU General --
 -- Public License  distributed with GNAT;  see file COPYING.  If not, write --
--- to  the Free Software Foundation,  59 Temple Place - Suite 330,  Boston, --
--- MA 02111-1307, USA.                                                      --
+-- to  the  Free Software Foundation,  51  Franklin  Street,  Fifth  Floor, --
+-- Boston, MA 02110-1301, USA.                                              --
 --                                                                          --
 -- GNAT was originally developed  by the GNAT team at  New York University. --
 -- Extensive contributions were provided by Ada Core Technologies Inc.      --
@@ -117,8 +117,9 @@ package body Sem_Intr is
             null;
 
          elsif not Is_Static_Expression (Arg1) then
-            Error_Msg_NE
-              ("call to & requires static string argument", N, Nam);
+            Error_Msg_FE
+              ("call to & requires static string argument!", N, Nam);
+            Why_Not_Static (Arg1);
 
          elsif String_Length (Strval (Expr_Value_S (Arg1))) = 0 then
             Error_Msg_NE
@@ -131,6 +132,15 @@ package body Sem_Intr is
               ("argument in call to & must be 31 characters or less", N, Nam);
          end if;
 
+      --  Check for the case of freeing a non-null object which will raise
+      --  Constaint_Error. Issue warning here, do the expansion in Exp_Intr.
+
+      elsif Cnam = Name_Free
+        and then Can_Never_Be_Null (Etype (Arg1))
+      then
+         Error_Msg_N
+           ("freeing `NOT NULL` object will raise Constraint_Error?", N);
+
       --  For now, no other special checks are required
 
       else
@@ -264,7 +274,6 @@ package body Sem_Intr is
       if not Is_Numeric_Type (T1) then
          Errint ("intrinsic operator can only apply to numeric types", E, N);
       end if;
-
    end Check_Intrinsic_Operator;
 
    --------------------------------
@@ -290,6 +299,7 @@ package body Sem_Intr is
 
       if Name_Buffer (1) /= 'O'
         and then Nam /= Name_Asm
+        and then Nam /= Name_To_Address
         and then Nam not in First_Intrinsic_Name .. Last_Intrinsic_Name
       then
          Errint ("unrecognized intrinsic subprogram", E, N);