diff --git a/test_regress/t/t_dist_warn_coverage.py b/test_regress/t/t_dist_warn_coverage.py
index 9493251d0..ebeba7be6 100755
--- a/test_regress/t/t_dist_warn_coverage.py
+++ b/test_regress/t/t_dist_warn_coverage.py
@@ -73,20 +73,59 @@ for s in [
         'Unsupported/unknown built-in dynamic array method ',
         'Unsupported: $bits for queue',
         'Unsupported: $c can\'t generate wider than 64 bits',
+        'Unsupported: &&& expression',
+        'Unsupported: \'default :/\' constraint',
+        'Unsupported: \'{} .* patterns',
+        'Unsupported: \'{} tagged patterns',
+        'Unsupported: +%- range',
+        'Unsupported: +/- range',
         'Unsupported: 4-state numbers in this context',
+        'Unsupported: Bind with instance list',
         'Unsupported: Concatenation to form ',
+        'Unsupported: Modport clocking',
+        'Unsupported: Modport dotted port name',
+        'Unsupported: Modport export with prototype',
+        'Unsupported: Modport import with prototype',
         'Unsupported: Non-variable on LHS of built-in method \'',
         'Unsupported: Only one PSL clock allowed per assertion',
         'Unsupported: Per-bit array instantiations ',
         'Unsupported: Public functions with >64 bit outputs; ',
         'Unsupported: RHS of ==? or !=? must be ',
+        'Unsupported: Randomize \'local::\'',
         'Unsupported: Replication to form ',
         'Unsupported: Shifting of by over 32-bit number isn\'t supported.',
         'Unsupported: Signal strengths are unsupported ',
         'Unsupported: Size-changing cast on non-basic data type',
         'Unsupported: Slice of non-constant bounds',
         'Unsupported: Unclocked assertion',
+        'Unsupported: Verilog 1995 deassign',
+        'Unsupported: Verilog 1995 gate primitive: ',
+        'Unsupported: [] dimensions',
+        'Unsupported: always[] (in property expression)',
+        'Unsupported: assertion items in clocking blocks',
+        'Unsupported: covergroup within class',
+        'Unsupported: default clocking identifier',
         'Unsupported: don\'t know how to deal with ',
+        'Unsupported: eventually[] (in property expression)',
+        'Unsupported: extern forkjoin',
+        'Unsupported: extern interface',
+        'Unsupported: extern module',
+        'Unsupported: extern task',
+        'Unsupported: interface decls within interface decls',
+        'Unsupported: interface decls within module decls',
+        'Unsupported: module decls within module decls',
+        'Unsupported: program decls within interface decls',
+        'Unsupported: program decls within module decls',
+        'Unsupported: property port \'local\'',
+        'Unsupported: randsequence production list',
+        'Unsupported: randsequence repeat',
+        'Unsupported: repeat event control',
+        'Unsupported: s_always (in property expression)',
+        'Unsupported: this.super',
+        'Unsupported: trireg',
+        'Unsupported: wand',
+        'Unsupported: with[] stream expression',
+        'Unsupported: wor',
         'Unsupported: event arrays',
         'Unsupported: modport export',
         'Unsupported: no_inline for tasks',
@@ -111,11 +150,11 @@ def read_messages():
                     continue
                 if re.match(r'^\s*/\*', line):
                     continue
-                if re.search(r'\b(v3error|v3warn)\b\($', line):
+                if re.search(r'\b(v3error|v3warn|BBUNSUP)\b\($', line):
                     if 'LCOV_EXCL_LINE' not in line:
                         read_next = True
                     continue
-                m = re.search(r'.*\b(v3error|v3warn)\b(.*)', line)
+                m = re.search(r'.*\b(v3error|v3warn|BBUNSUP)\b(.*)', line)
                 if m:
                     line = m.group(2)
                     if 'LCOV_EXCL_LINE' not in line:
@@ -194,8 +233,9 @@ def check():
             if test.verbose:
                 print(fileline + ": Suppressed check for message in source: '" + msg + "'")
         else:
-            test.error(fileline + ": Missing test_regress/t/*.out test for message in source: '" +
-                       msg + "'")
+            test.error_keep_going(fileline +
+                                  ": Missing test_regress/t/*.out test for message in source: '" +
+                                  msg + "'")
             if test.verbose:
                 print("  Line is: " + line)