Revert of [turbofan] Introduce TruncateTaggedToBit operator for ToBoolean truncation.

test/cctest/compiler/test-representation-change.cc

Index: test/cctest/compiler/test-representation-change.cc
diff --git a/test/cctest/compiler/test-representation-change.cc b/test/cctest/compiler/test-representation-change.cc
index 1d5c00a3244a8070f90081e86b0e33fe36da84c1..8d70ca23d9e096cda0007d7e5720f897459dfa73 100644
--- a/test/cctest/compiler/test-representation-change.cc
+++ b/test/cctest/compiler/test-representation-change.cc
@@ -644,7 +644,23 @@
 TEST(TypeErrors) {
   RepresentationChangerTester r;
 
+  // Wordish cannot be implicitly converted to/from comparison conditions.
+  r.CheckTypeError(MachineRepresentation::kWord8, Type::None(),
+                   MachineRepresentation::kBit);
+  r.CheckTypeError(MachineRepresentation::kWord16, Type::None(),
+                   MachineRepresentation::kBit);
+  r.CheckTypeError(MachineRepresentation::kWord32, Type::None(),
+                   MachineRepresentation::kBit);
+  r.CheckTypeError(MachineRepresentation::kWord64, Type::None(),
+                   MachineRepresentation::kBit);
+
   // Floats cannot be implicitly converted to/from comparison conditions.
+  r.CheckTypeError(MachineRepresentation::kFloat64, Type::None(),
+                   MachineRepresentation::kBit);
+
+  // Floats cannot be implicitly converted to/from comparison conditions.
+  r.CheckTypeError(MachineRepresentation::kFloat32, Type::None(),
+                   MachineRepresentation::kBit);
   r.CheckTypeError(MachineRepresentation::kBit, Type::None(),
                    MachineRepresentation::kFloat32);
   r.CheckTypeError(MachineRepresentation::kBit, Type::Boolean(),