------- Comment #24 from rguenth at gcc dot gnu dot org 2007-08-30 09:49
-------
Note that even with the proposed patch we generate different code dependent on
if -g is enabled or not. Starting with the first alias pass there are
differences
in the has_volatile_ops annotations!
@@ -3818,9 +3823,9 @@ int test01() ()
D.8890_24 = (struct _Sp_counted_base_impl *) D.8889_23;
__d = __d.79;
D.8891_25 = &D.8890_24->D.8307;
- D.8891_25->_vptr._Sp_counted_base ={v}
&_ZTVNSt3tr116_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE1EEE[2];
- D.8891_25->_M_use_count ={v} 1;
- D.8891_25->_M_weak_count ={v} 1;
+ D.8891_25->_vptr._Sp_counted_base =
&_ZTVNSt3tr116_Sp_counted_baseILN9__gnu_cxx12_Lock_policyE1EEE[2];
+ D.8891_25->_M_use_count = 1;
+ D.8891_25->_M_weak_count = 1;
D.8890_24->D.8307._vptr._Sp_counted_base =
&_ZTVNSt3tr121_Sp_counted_base_implIP1BNS_11_Sp_deleterIS1_EELN9__gnu_cxx12_Lock_policyE1EEE[2];
D.8890_24->_M_ptr = D.8855_22;
D.8890_24->_M_del = __d;
@@ -3840,7 +3845,7 @@ int test01() ()
goto <bb 10>;
<bb 7>:
- D.8895_29 ={v} &__tmp_27->_M_use_count;
+ D.8895_29 = &__tmp_27->_M_use_count;
if (__gthrw_pthread_cancel != 0B)
goto <bb 8>;
else
...
etc.
I'm trying to reduce the testcase further based on such differences.
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=33199
