Testsuite changes for new -Wstrict-aliasing=2 option.

	* gcc.dg/alias-1.c: Add "will" to string passed to dg-warning.
	* gcc.dg/alias-2.c: New testcase.

From-SVN: r79223

gcc/testsuite/ChangeLog

+2004-03-09  James E Wilson  <wilson@specifixinc.com>
+
+	* gcc.dg/alias-1.c: Add "will" to string passed to dg-warning.
+	* gcc.dg/alias-2.c: New testcase.
+
 2004-03-09  Zack Weinberg  <zack@codesourcery.com>
 
 	* gcc.dg/noncompile/incomplete-2.c: Move dg-error to proper line.

gcc/testsuite/gcc.dg/alias-1.c

@@ -19,7 +19,7 @@ YYSTYPE
  addSibMacro(
          YYSTYPE  list )
  {
-     tDefEntry** ppT   = (tDefEntry**)&list; // { dg-warning "type-punned pointer" "" }
+     tDefEntry** ppT   = (tDefEntry**)&list; // { dg-warning "type-punned pointer will" "" }
  
      struct incomplete *p = (struct incomplete *)&list; // { dg-warning "type-punning to incomplete" "" }
      

gcc/testsuite/gcc.dg/alias-2.c

+// { dg-do compile }
+// { dg-options "-Wstrict-aliasing=2 -fstrict-aliasing" }
+
+struct foo {
+  char c;
+  char d;
+  short s;
+  int i;
+} bar;
+
+int
+sub1 (long long int foobar)
+{
+  struct foo *tmp = (struct foo *) &foobar; // { dg-warning "type-punned pointer might" "" }
+  return tmp->i;
+}