typeck.c (build_binary_op): Use pedwarn instead of error for consistency.

2007-11-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
cp/
	* typeck.c (build_binary_op): Use pedwarn instead of error for
	consistency.
testsuite/
	* g++dg/warn/pointer-integer-comparison.C: New.

From-SVN: r129898

gcc/cp/ChangeLog

+2007-11-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
+
+	* typeck.c (build_binary_op): Use pedwarn instead of error for
+	consistency.
+
 2007-11-05  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/33836

gcc/cp/typeck.c

@@ -3357,12 +3357,12 @@ build_binary_op (enum tree_code code, tree orig_op0, tree orig_op1,
       else if (code0 == POINTER_TYPE && code1 == INTEGER_TYPE)
 	{
 	  result_type = type0;
-	  error ("ISO C++ forbids comparison between pointer and integer");
+	  pedwarn ("ISO C++ forbids comparison between pointer and integer");
 	}
       else if (code0 == INTEGER_TYPE && code1 == POINTER_TYPE)
 	{
 	  result_type = type1;
-	  error ("ISO C++ forbids comparison between pointer and integer");
+	  pedwarn ("ISO C++ forbids comparison between pointer and integer");
 	}
       else if (TYPE_PTRMEMFUNC_P (type0) && null_ptr_cst_p (op1))
 	{

gcc/testsuite/ChangeLog

+2007-11-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
+
+	* g++dg/warn/pointer-integer-comparison.C: New.
+
 2007-11-05  Jakub Jelinek  <jakub@redhat.com>
 
 	PR tree-optimization/33856

gcc/testsuite/g++.dg/warn/pointer-integer-comparison.C

+// { dg-do compile }
+// { dg-options "-fsyntax-only -fpermissive" } 
+
+int foo (int i, void *p)
+{
+  if (i == p) // { dg-warning "warning: ISO C.. forbids comparison between pointer and integer" }
+    return 0;
+  else if (i != p) // { dg-warning "warning: ISO C.. forbids comparison between pointer and integer" }
+    return 1;
+}
+
+int bar (int i, void *p)
+{
+  if (i < p) // { dg-warning "warning: ISO C.. forbids comparison between pointer and integer" }
+    return 0;
+  else if (i >= p) // { dg-warning "warning: ISO C.. forbids comparison between pointer and integer" }
+    return 1;
+}
+
+int baz (int i, void *p)
+{
+  if (i <= p) // { dg-warning "warning: ISO C.. forbids comparison between pointer and integer" }
+    return 0;
+  else if (i > p) // { dg-warning "warning: ISO C.. forbids comparison between pointer and integer" }
+    return 1;
+}