tree-sra.c (try_instantiate_multiple_fields): Early return if field has POINTER_TYPE.

        * tree-sra.c (try_instantiate_multiple_fields): Early return
        if field has POINTER_TYPE.
               
        testsuite/
        * gnat.dg/fatp_sra.adb: New test.

From-SVN: r134982

gcc/ChangeLog

+2008-05-06  Olivier Hainque  <hainque@adacore.com>
+
+	* tree-sra.c (try_instantiate_multiple_fields): Early return
+	if field has POINTER_TYPE.
+
 2008-05-06  Kai Tietz  <kai.tietz@onevision.com>
 
 	* config/i386/i386.c (output_set_got): Fix for x86_64 output_emit_asm

gcc/testsuite/ChangeLog

+2008-05-06  Olivier Hainque  <hainque@adacore.com>
+
+	* gnat.dg/fatp_sra.adb: New test.
+	
 2008-05-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 
 	PR middle-end/36141

gcc/testsuite/gnat.dg/fatp_sra.adb

+--  { dg-do compile }
+--  { dg-options "-gnatp -O1" }
+
+procedure Fatp_Sra is
+
+   function X return String is
+   begin
+      return "X";
+   end;
+
+   function Letter return String is
+   begin
+      return X;
+   end;
+begin
+   null;
+end;

gcc/tree-sra.c

@@ -1472,6 +1472,10 @@ try_instantiate_multiple_fields (struct sra_elt *elt, tree f)
   tree type, var;
   struct sra_elt *block;
 
+  /* Point fields are typically best handled as standalone entities.  */
+  if (POINTER_TYPE_P (TREE_TYPE (f)))
+    return f;
+    
   if (!is_sra_scalar_type (TREE_TYPE (f))
       || !host_integerp (DECL_FIELD_OFFSET (f), 1)
       || !host_integerp (DECL_FIELD_BIT_OFFSET (f), 1)