test failures with UndefinedBehaviorSanitizer enabled

[BenWibking]

When running with -DENABLE_ASAN=ON (#1106), the following tests fail:

The following tests FAILED:
	 30 - NaN payload tagging (Subprocess aborted)
	 60 - regression_test:restart (Failed)
	 61 - regression_mpi_test:restart (Failed)
	 62 - regression_test:calculate_pi (Failed)
	 63 - regression_mpi_test:calculate_pi (Failed)
	 64 - regression_test:advection_convergence (Failed)
	 65 - regression_mpi_test:advection_convergence (Failed)
	 66 - regression_test:output_hdf5 (Failed)
	 67 - regression_mpi_test:output_hdf5 (Failed)
	 68 - regression_test:advection_outflow (Failed)
	 69 - regression_mpi_test:advection_outflow (Failed)
	 72 - regression_test:poisson (Failed)
	 73 - regression_mpi_test:poisson (Failed)
	 74 - regression_test:poisson_gmg (Failed)
	 75 - regression_mpi_test:poisson_gmg (Failed)
	 76 - regression_test:sparse_advection (Failed)
	 77 - regression_mpi_test:sparse_advection (Failed)

Full output log:
asan_ctest_output.txt

[BenWibking]

All of the errors appear to be undefined behavior in C++:

/Users/benwibking/parthenon/tst/unit/test_nan_tags.cpp:55:21: runtime error: division by zero
/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
b'/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
[Bens-MacBook-Pro:83977] [ 6] /Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
[Bens-MacBook-Pro:83977] [ 8] /Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
[Bens-MacBook-Pro:83977] [10] /Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
b'/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
[Bens-MacBook-Pro:83988] [ 0] /Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
b'/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
b'/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
/Users/benwibking/parthenon/example/poisson/poisson_package.cpp:299:52: runtime error: division by zero
/Users/benwibking/parthenon/example/poisson/poisson_package.cpp:299:52: runtime error: division by zero
/Users/benwibking/parthenon/example/poisson/poisson_package.cpp:299:52: runtime error: division by zero
/Users/benwibking/parthenon/example/poisson/poisson_package.cpp:299:52: runtime error: division by zero
/Users/benwibking/parthenon/example/poisson/poisson_package.cpp:299:52: runtime error: division by zero
/Users/benwibking/parthenon/src/solvers/mg_solver.hpp:249:44: runtime error: division by zero
/Users/benwibking/parthenon/src/solvers/mg_solver.hpp:249:44: runtime error: division by zero
/Users/benwibking/parthenon/src/solvers/mg_solver.hpp:249:44: runtime error: division by zero
/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
b'/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
/Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1
[Bens-MacBook-Pro:84754] [ 5] /Users/benwibking/parthenon/src/mesh/forest/logical_location.cpp:121:24: runtime error: left shift of negative value -1

[BenWibking]

Division by zero errors:

• #1108

• parthenon/example/poisson/poisson_package.cpp

  Line 299 in ff02625

  Real reps = std::abs(dv(b, idphi, k, j, i) / v(b, iphi, k, j, i));

• parthenon/src/solvers/mg_solver.hpp

  Line 249 in ff02625

  xn[idx] = weight * val / diag[idx] + (1.0 - weight) * xo[idx];

[BenWibking]

"Left shift of negative value -1" error:

• parthenon/src/mesh/forest/logical_location.cpp

  Line 121 in ff02625

  auto low = (l(dir) << level_shift_this) - 1;

[lroberts36]

"Left shift of negative value -1" error:

* https://github.com/parthenon-hpc-lab/parthenon/blob/ff02625bd00dc81e2702889041098f1f05522f2b/src/mesh/forest/logical_location.cpp#L121

should have a PR up for this one in a minute

[lroberts36]

Interestingly, when I ran with -DENABLE_ASAN=On on a Darwin Skylake-Gold node it also found a shared_ptr cycle. Should have a fix for that soon as well.