re PR c++/14329 ([4.1 only] badly formatted warnings for SRA replacements used uninitialized)

2006-12-03  Richard Henderson  <rth@redhat.com>
            Andrew Pinski  <pinskia@gmail.com>

        PR C++/14329
        * error.c (cp_printer) <'D'>: Handle DECL_DEBUG_EXPR.

2006-12-03  Richard Henderson  <rth@redhat.com>
            Andrew Pinski  <pinskia@gmail.com>

        PR C++/14329
        * g++.dg/warn/unit-1.C: New test.




Co-Authored-By: Andrew Pinski <pinskia@gmail.com>

From-SVN: r119478

gcc/cp/ChangeLog

+2006-12-03  Richard Henderson  <rth@redhat.com>
+            Andrew Pinski  <pinskia@gmail.com>
+
+	PR C++/14329
+	* error.c (cp_printer) <'D'>: Handle DECL_DEBUG_EXPR.
+
 2006-12-02  Andrew Pinski  <andrew_pinski@playstation.sony.com>
 
 	PR C++/30033

gcc/cp/error.c

@@ -2337,7 +2337,22 @@ cp_printer (pretty_printer *pp, text_info *text, const char *spec,
     {
     case 'A': result = args_to_string (next_tree, verbose);	break;
     case 'C': result = code_to_string (next_tcode);		break;
-    case 'D': result = decl_to_string (next_tree, verbose);	break;
+    case 'D':
+      {
+	tree temp = next_tree;
+	if (DECL_P (temp)
+	    && DECL_DEBUG_EXPR_IS_FROM (temp) && DECL_DEBUG_EXPR (temp))
+	  {
+	    temp = DECL_DEBUG_EXPR (temp);
+	    if (!DECL_P (temp))
+	      {
+		result = expr_to_string (temp);
+		break;
+	      }
+	  }
+	result = decl_to_string (temp, verbose);
+      }
+      break;
     case 'E': result = expr_to_string (next_tree);		break;
     case 'F': result = fndecl_to_string (next_tree, verbose);	break;
     case 'L': result = language_to_string (next_lang);		break;

gcc/testsuite/ChangeLog

+2006-12-03  Richard Henderson  <rth@redhat.com>
+            Andrew Pinski  <pinskia@gmail.com>
+
+	PR C++/14329
+	* g++.dg/warn/unit-1.C: New test.
+
 2006-12-03  Uros Bizjak  <ubizjak@gmail.com>
 
 	* gcc.dg/visibility-11.c: Compile with -mstringop-strategy=libcall.

gcc/testsuite/g++.dg/warn/unit-1.C

+/* { dg-do compile } */
+/* { dg-options "-O2 -Wuninitialized" } */
+
+struct a { int mode; };
+int sys_msgctl (void)
+{
+  struct a setbuf;  /* { dg-warning "'setbuf\.a::mode' is used" } */
+  return setbuf.mode;
+}
+