2010-01-08 Richard Guenther <rguenther@suse.de>
PR lto/42528
* c.opt (fsigned-char): Also let LTO handle this option.
(funsigned-char): Likewise.
lto/
* lto-lang.c (lto_handle_option): Handle -f[un]signed-char.
(lto_init): Do not init char_type_node in a standard way
but according to flag_signed_char.
* gcc.dg/lto/
20100103-1_0.c: New testcase.
* gcc.dg/lto/
20100103-2_0.c: Likewise.
From-SVN: r155740
+2010-01-08 Richard Guenther <rguenther@suse.de>
+
+ PR lto/42528
+ * c.opt (fsigned-char): Also let LTO handle this option.
+ (funsigned-char): Likewise.
+
2010-01-07 Richard Guenther <rguenther@suse.de>
* gimple.h (gss_for_code): Wrap gcc_assert in ENABLE_CHECKING.
When \"signed\" or \"unsigned\" is not given make the bitfield signed
fsigned-char
-C ObjC C++ ObjC++
+C ObjC C++ ObjC++ LTO
Make \"char\" signed by default
fsquangle
When \"signed\" or \"unsigned\" is not given make the bitfield unsigned
funsigned-char
-C ObjC C++ ObjC++
+C ObjC C++ ObjC++ LTO
Make \"char\" unsigned by default
fuse-cxa-atexit
+2010-01-08 Richard Guenther <rguenther@suse.de>
+
+ PR lto/42528
+ * lto-lang.c (lto_handle_option): Handle -f[un]signed-char.
+ (lto_init): Do not init char_type_node in a standard way
+ but according to flag_signed_char.
+
2010-01-03 H.J. Lu <hongjiu.lu@intel.com>
PR lto/41564
warn_psabi = value;
break;
+ case OPT_fsigned_char:
+ flag_signed_char = value;
+ break;
+
+ case OPT_funsigned_char:
+ flag_signed_char = !value;
+ break;
+
default:
break;
}
/* Share char_type_node with whatever would be the default for the target.
char_type_node will be used for internal types such as
va_list_type_node but will not be present in the lto stream. */
+ /* ??? This breaks the more common case of consistent but non-standard
+ setting of flag_signed_char, so share according to flag_signed_char.
+ See PR42528. */
char_type_node
- = DEFAULT_SIGNED_CHAR ? signed_char_type_node : unsigned_char_type_node;
+ = flag_signed_char ? signed_char_type_node : unsigned_char_type_node;
/* Tell the middle end what type to use for the size of objects. */
if (strcmp (SIZE_TYPE, "unsigned int") == 0)
+2010-01-08 Richard Guenther <rguenther@suse.de>
+
+ PR lto/42528
+ * gcc.dg/lto/20100103-1_0.c: New testcase.
+ * gcc.dg/lto/20100103-2_0.c: Likewise.
+
2010-01-08 Tobias Burnus <burnus@net-b.de
PR/fortran 25829
--- /dev/null
+/* { dg-lto-do link } */
+/* { dg-lto-options {{-funsigned-char -flto} {-fsigned-char -flto}} } */
+
+char *foo;
+int main()
+{
+ foo = "bar";
+}
--- /dev/null
+/* { dg-lto-do link } */
+/* { dg-lto-options {{-O -flto -funsigned-char} {-O -flto -fsigned-char}} } */
+
+char p[32] = "";
+int main ()
+{
+ if (__builtin___strcpy_chk (p + 1, "vwxyz",
+ __builtin_object_size (p + 1, 0)) != p + 1)
+ __builtin_abort ();
+ return 0;
+}
+