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[Bug c++/49519] [4.7 Regression] Revision 175272 miscompiled 447.dealII in SPEC CPU 2006
- From: "hjl.tools at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 24 Jun 2011 16:37:22 +0000
- Subject: [Bug c++/49519] [4.7 Regression] Revision 175272 miscompiled 447.dealII in SPEC CPU 2006
- Auto-submitted: auto-generated
- References: <bug-49519-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49519
--- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> 2011-06-24 16:37:20 UTC ---
step-14.cc is miscompiled:
#0 SparsityPattern::operator() (this=0xcef8ffff, i=0, j=0)
at sparsity_pattern.cc:608
#1 0x08223fc1 in add (value=0.075579727185634243, j=<optimized out>,
i=<optimized out>, this=0xffffc76a) at include/lac/sparse_matrix.h:1709
#2 LaplaceSolver::Solver<3>::assemble_matrix (this=0x83845c8,
linear_system=..., begin_cell=..., end_cell=..., mutex=...)
at step-14.cc:796
#3 0x0822750e in operator() (arg4=..., arg3=..., arg2=..., arg1=...,
this=0xffffc738) at include/base/thread_management.h:5382
#4 LaplaceSolver::Solver<3>::assemble_linear_system (this=0x83845c8,
linear_system=...) at step-14.cc:716
#5 0x0822a0c2 in LaplaceSolver::Solver<3>::solve_problem (this=0x83845c8)
at step-14.cc:676
#6 0x082270cd in do_call<void (LaplaceSolver::WeightedResidual<3>::*)(),
LaplaceSolver::WeightedResidual<3>, boost::tuples::tuple<> > (obj=...,
fun_ptr=<optimized out>) at include/fe/fe_q.h:239