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[Bug c++/35182] [4.2/4.3 Regression] ICE in coalesce_abnormal_edges
- From: "hubicka at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 15 Feb 2008 11:55:13 -0000
- Subject: [Bug c++/35182] [4.2/4.3 Regression] ICE in coalesce_abnormal_edges
- References: <bug-35182-13405@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #10 from hubicka at gcc dot gnu dot org 2008-02-15 11:55 -------
Seems like it. After fwprop1 iter_1 and iter_7 conflict:
D.2095_6 = &iter_1(ab)->D.2086;
iter_7(ab) = iter_1(ab) + 8;
__comp_ctor (&D.2138, D.2094_5);
# SUCC: 4 [100.0%] (fallthru,exec) 5 (ab,eh,exec)
# BLOCK 4
# PRED: 3 [100.0%] (fallthru,exec)
D.2139_8 = D.2138._M_refcount._M_pi;
iter_1(ab)->D.2086._M_refcount._M_pi ={v} D.2139_8;
goto <bb 2>;
before they doesn't:
# BLOCK 3
# PRED: 2 (fallthru,exec)
D.2094_5 = (int *) D.2093_4;
D.2095_6 = &iter_1(ab)->D.2086;
iter_7(ab) = iter_1(ab) + 8;
__comp_ctor (&D.2138, D.2094_5);
# SUCC: 4 [100.0%] (fallthru,exec) 5 (ab,eh,exec)
# BLOCK 4
# PRED: 3 [100.0%] (fallthru,exec)
D.2139_8 = D.2138._M_refcount._M_pi;
D.2095_6->_M_refcount._M_pi ={v} D.2139_8;
goto <bb 2>;
# SUCC: 2 (fallthru,exec)
I will be away for a weekend, so I goess I won't beat you :(
Honza
--
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35182