2013-04-24 Paolo Carlini <paolo.carlini@oracle.com>
+ Manuel Lopez-Ibanez <manu@gcc.gnu.org>
+
+ * c.opt ([Wpointer-arith]): Enabled by -Wpedantic, as documented.
+ * c-common.c (pointer_int_sum): Change -Wpointer-arith pedwarns
+ to simply use OPT_Wpointer_arith.
+ (c_sizeof_or_alignof_type): Likewise.
+
+2013-04-24 Paolo Carlini <paolo.carlini@oracle.com>
* c-cppbuiltin.c (c_cpp_builtins): Define __GXX_EXPERIMENTAL_CXX1Y__.
if (TREE_CODE (TREE_TYPE (result_type)) == VOID_TYPE)
{
- pedwarn (loc, pedantic ? OPT_Wpedantic : OPT_Wpointer_arith,
+ pedwarn (loc, OPT_Wpointer_arith,
"pointer of type %<void *%> used in arithmetic");
size_exp = integer_one_node;
}
else if (TREE_CODE (TREE_TYPE (result_type)) == FUNCTION_TYPE)
{
- pedwarn (loc, pedantic ? OPT_Wpedantic : OPT_Wpointer_arith,
+ pedwarn (loc, OPT_Wpointer_arith,
"pointer to a function used in arithmetic");
size_exp = integer_one_node;
}
{
if (is_sizeof)
{
- if (complain && (pedantic || warn_pointer_arith))
- pedwarn (loc, pedantic ? OPT_Wpedantic : OPT_Wpointer_arith,
+ if (complain && warn_pointer_arith)
+ pedwarn (loc, OPT_Wpointer_arith,
"invalid application of %<sizeof%> to a function type");
else if (!complain)
return error_mark_node;
else if (type_code == VOID_TYPE || type_code == ERROR_MARK)
{
if (type_code == VOID_TYPE
- && complain && (pedantic || warn_pointer_arith))
- pedwarn (loc, pedantic ? OPT_Wpedantic : OPT_Wpointer_arith,
+ && complain && warn_pointer_arith)
+ pedwarn (loc, OPT_Wpointer_arith,
"invalid application of %qs to a void type", op_name);
else if (!complain)
return error_mark_node;
Warn when converting the type of pointers to member functions
Wpointer-arith
-C ObjC C++ ObjC++ Var(warn_pointer_arith) Warning
+C ObjC C++ ObjC++ Var(warn_pointer_arith) Warning LangEnabledBy(C ObjC C++ ObjC++,Wpedantic)
Warn about function pointer arithmetic
Wpointer-sign
+2013-04-24 Paolo Carlini <paolo.carlini@oracle.com>
+
+ * c-typeck.c (pointer_diff): Change -Wpointer-arith pedwarns
+ to simply use OPT_Wpointer_arith.
+ (build_unary_op): Likewise.
+
2013-04-03 Jakub Jelinek <jakub@redhat.com>
PR c/19449
if (TREE_CODE (target_type) == VOID_TYPE)
- pedwarn (loc, pedantic ? OPT_Wpedantic : OPT_Wpointer_arith,
+ pedwarn (loc, OPT_Wpointer_arith,
"pointer of type %<void *%> used in subtraction");
if (TREE_CODE (target_type) == FUNCTION_TYPE)
- pedwarn (loc, pedantic ? OPT_Wpedantic : OPT_Wpointer_arith,
+ pedwarn (loc, OPT_Wpointer_arith,
"pointer to a function used in subtraction");
/* If the conversion to ptrdiff_type does anything like widening or
|| TREE_CODE (TREE_TYPE (argtype)) == VOID_TYPE)
{
if (code == PREINCREMENT_EXPR || code == POSTINCREMENT_EXPR)
- pedwarn (location, pedantic ? OPT_Wpedantic : OPT_Wpointer_arith,
+ pedwarn (location, OPT_Wpointer_arith,
"wrong type argument to increment");
else
- pedwarn (location, pedantic ? OPT_Wpedantic : OPT_Wpointer_arith,
+ pedwarn (location, OPT_Wpointer_arith,
"wrong type argument to decrement");
}
+2013-04-24 Paolo Carlini <paolo.carlini@oracle.com>
+
+ * typeck.c (cxx_sizeof_or_alignof_type): Change -Wpointer-arith
+ pedwarn to simply use OPT_Wpointer_arith.
+ (cp_build_unary_op): Likewise.
+
2013-04-24 Jason Merrill <jason@redhat.com>
N3648: init-captures are named.
if (TREE_CODE (type) == METHOD_TYPE)
{
if (complain)
- pedwarn (input_location, pedantic ? OPT_Wpedantic : OPT_Wpointer_arith,
+ pedwarn (input_location, OPT_Wpointer_arith,
"invalid application of %qs to a member function",
operator_name_info[(int) op].name);
value = size_one_node;
else if (!TYPE_PTROB_P (argtype))
{
if (complain & tf_error)
- pedwarn (input_location,
- pedantic ? OPT_Wpedantic : OPT_Wpointer_arith,
+ pedwarn (input_location, OPT_Wpointer_arith,
(code == PREINCREMENT_EXPR
|| code == POSTINCREMENT_EXPR)
? G_("ISO C++ forbids incrementing a pointer of type %qT")
2013-04-24 Paolo Carlini <paolo.carlini@oracle.com>
+ * c-c++-common/Wpointer-arith-1.c: New.
+
+2013-04-24 Paolo Carlini <paolo.carlini@oracle.com>
+
* g++.dg/cpp1y/cxx1y_macro.C: New.
2013-04-24 Paolo Carlini <paolo.carlini@oracle.com>
--- /dev/null
+/* { dg-do compile } */
+/* { dg-options "-Wpedantic -Wno-pointer-arith" } */
+
+void h(void)
+{
+ typedef void (*pft) ();
+ typedef void (ft) ();
+
+ void *pv = 0;
+ pft pf = 0;
+
+ pv++;
+ pf++;
+
+ --pv;
+ --pf;
+
+ pv += 1;
+ pf += 1;
+
+ pv = pv - 1;
+ pf = pf - 1;
+
+ sizeof (void);
+ sizeof (ft);
+}