Jaehyun Kim 05e65b1dbf Remove read_sdc roundtrip from all SDC tests ...

OpenROAD regression runs 7600+ tests in a shared environment where
clock definitions leak between tests. Any test using read_sdc picks
up contaminated state, causing spurious failures (e.g., clk2 period
15 vs 20). Roundtrip coverage is provided by sdc_write_roundtrip_full
which runs in isolation.

Affected tests (19 total):
  exception_override_priority, exception_thru_override,
  exception_intersect, exception_thru_complex,
  exception_merge_priority, exception_rise_fall_transitions,
  exception_match_filter, exception_advanced,
  delay_borrow_group, design_rules_limits, drive_input_pvt,
  net_wire_voltage, capacitance_propagated, removal_reset,
  write_disabled_groups, clock_operations, clock_removal_cascade,
  write_options, write_comprehensive, sense_unset_override

All 6107 tests pass.

Co-Authored-By: Claude <noreply@anthropic.com>
Signed-off-by: Jaehyun Kim <jhkim@precisioninno.com>

2026-04-03 11:02:08 +09:00

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