PR c/17178, PR c/17820

2004-10-03  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/17178, PR c/17820
        * c-decl.c (pop_scope): Do not warn about unused static
        variables as they warned in the middle-end.

2004-10-03  Andrew Pinski  <pinskia@physics.uc.edu>

        PR c/17178
        * gcc.dg/unused-4.c: Adjust to be correct.

        PR c/17820
        * gcc.dg/unused-7.c: New test.

From-SVN: r88467

gcc/ChangeLog

+2004-10-03  Andrew Pinski  <pinskia@physics.uc.edu>
+
+	PR c/17178, PR c/17820
+	* c-decl.c (pop_scope): Do not warn about unused static
+	variables as they warned in the middle-end.
+
 2004-10-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
 
 	* builtins.c (expand_builtin_memcpy): Delete duplicate code

gcc/c-decl.c

@@ -767,10 +767,8 @@ pop_scope (void)
 	      && !DECL_IN_SYSTEM_HEADER (p)
 	      && DECL_NAME (p)
 	      && !DECL_ARTIFICIAL (p)
-	      && (scope != file_scope
-		  || (TREE_STATIC (p) && !TREE_PUBLIC (p)
-		      && !TREE_THIS_VOLATILE (p)))
-	      && scope != external_scope)
+	      && scope != file_scope
+	      && scope != external_scope) 
 	    warning ("%Junused variable %qD", p, p);
 
 	  if (b->inner_comp)

gcc/testsuite/ChangeLog

 2004-10-03  Andrew Pinski  <pinskia@physics.uc.edu>
 
+	PR c/17178
+	* gcc.dg/unused-4.c: Adjust to be correct.
+
+	PR c/17820
+	* gcc.dg/unused-7.c: New test.
+
+2004-10-03  Andrew Pinski  <pinskia@physics.uc.edu>
+
 	PR c++/17797
 	* g++.dg/overload/template2.C: New test.
 

gcc/testsuite/gcc.dg/unused-4.c

 /* { dg-do compile } */
 /* { dg-options "-Wunused -O3" } */
 
-static const int i = 0;		/* { dg-warning "unused variable" } */
+static const int i = 0;
 static void f() { }		/* { dg-warning "defined but not used" } */
 static inline void g() { }

gcc/testsuite/gcc.dg/unused-7.c

+/* { dg-do compile } */
+/* { dg-options "-Wunused-parameter" } */
+
+static int a = 10; /* { dg-warning "defined but not used" } */
+