PR c++/22551
* c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
overflow flags.
testsuite:
PR c++/22551
* g++.dg/other/switch2.C: Remove expected warnings.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@105501
138bc75d-0d04-0410-961f-
82ee72b054a4
+2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
+
+ PR c++/22551
+ * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
+ overflow flags.
+
2005-10-17 Kaz Kojima <kkojima@gcc.gnu.org>
* config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
low_value = convert_and_check (type, low_value);
if (low_value == error_mark_node)
goto error_out;
- /* Do not propagate any overflow information past this point.
- It is safe to just clear the flags, as any constants with
- them set will not be shared. */
- TREE_CONSTANT_OVERFLOW (low_value) = TREE_OVERFLOW (low_value) = 0;
}
if (high_value)
{
high_value = convert_and_check (type, high_value);
if (high_value == error_mark_node)
goto error_out;
- TREE_CONSTANT_OVERFLOW (high_value) = TREE_OVERFLOW (high_value) = 0;
}
if (low_value && high_value)
2005-10-17 Nathan Sidwell <nathan@codesourcery.com>
+ PR c++/22551
+ * g++.dg/other/switch2.C: Remove expected warnings.
+
PR c++/21353
* g++.dg/template/defarg6.C: New.
// PR 22551:ICE
// Origin: Johnny Casey <emailwastefilter-bugzillagccorg@yahoo.com>
-const int B = 0x80000000;
+const int B = ~(~0u >> 1);
#define b(x) (B + x)
{
switch (error)
{
- case b (1): return 0; // { dg-error "overflow" "" }
- case b (2): return 0; // { dg-error "overflow" "" }
- case b (3): return 0; // { dg-error "overflow" "" }
- case b (4): return 0; // { dg-error "overflow" "" }
- case b (5): return 0; // { dg-error "overflow" "" }
- }
+ case b (1): return 0;
+ case b (2): return 0;
+ case b (3): return 0;
+ case b (4): return 0;
+ case b (5): return 0;
+ }
+ return 0;
}