verilator

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Yutetsu TAKATSUKASA 9f37cef1bb Fix #3470 of incorrect bit op tree optimization (#3476 )

* Tests: Add a test to reproduce #3470

* Update LSB during return path of traversal. No functional change is intended.

* Introduce LeafInfo::m_msb

* Update LeafInfo::m_msb when visitin AstCCast

* Internals: Add comment, reorder. No functional change is intended.

* Delete explicit from copy constructor to fix build error.

* Update Changes

* Internals: Remove unused parameter. No functional change is intended.

* Tests: Add explanation to t_const_opt.

2022-07-06 08:33:37 +09:00