c.dc = nil
	c.db = nil
	return err
}

// Close returns the connection to the connection pool.
// All operations after a Close will return with [ErrConnDone].
// Close is safe to call concurrently with other operations and will
// block until all other operations finish. It may be useful to first
// cancel any used context and then call close directly after.
func (c *Conn) Close() error {

// Fuse Binary Op with following Affine operation.
template <typename AffineOpType>
struct FuseBinaryOpToFollowingAffineOp : public OpRewritePattern<AffineOpType> {
  using OpRewritePattern<AffineOpType>::OpRewritePattern;

  LogicalResult matchAndRewrite(AffineOpType fc_op,
                                PatternRewriter &rewriter) const override {
    // Binary op.
    Operation *binary_op = fc_op.getInput().getDefiningOp();

   *
   * <p>Modifications to the backing set are read through to the returned map. The returned map
   * supports removal operations if the backing set does. Removal operations write through to the
   * backing set. The returned map does not support put operations.
   *
   * <p><b>Warning:</b> If the function rejects {@code null}, caution is required to make sure the

   *
   * <p>Modifications to the backing set are read through to the returned map. The returned map
   * supports removal operations if the backing set does. Removal operations write through to the
   * backing set. The returned map does not support put operations.
   *
   * <p><b>Warning:</b> If the function rejects {@code null}, caution is required to make sure the

     * read operations anyway:
     *
     * - All (unsynchronized) read operations must first read the "count" field, and should not look
     * at table entries if it is 0.
     *
     * - All (synchronized) write operations should write to the "count" field after structurally
     * changing any bin. The operations must not take any action that could even momentarily cause a

}

// -----

// Test invalid tf.Yield operation (parent should be IfRegion)
func.func @testInvalidYieldOp(%arg0: f32) -> () {
  // expected-error @+1 {{'tf.Yield' op expects parent op to be one of 'tf.CaseRegion, tf.IfRegion, tf.WhileRegion, tf.GeneratorDatasetRegion'}}
  "tf.Yield"(%arg0) : (f32) -> ()
}

// -----

// Test valid tf.IfRegion operation
// CHECK-LABEL: func @testValidIfRegionOp

     * read operations anyway:
     *
     * - All (unsynchronized) read operations must first read the "count" field, and should not look
     * at table entries if it is 0.
     *
     * - All (synchronized) write operations should write to the "count" field after structurally
     * changing any bin. The operations must not take any action that could even momentarily cause a

          },
          "manager": {
            "description": "Manager is an identifier of the workflow managing these fields.",
            "type": "string"
          },
          "operation": {
            "description": "Operation is the type of operation which lead to this ManagedFieldsEntry being created. The only valid values for this field are 'Apply' and 'Update'.",
            "type": "string"
          },
          "subresource": {

          },
          "manager": {
            "description": "Manager is an identifier of the workflow managing these fields.",
            "type": "string"
          },
          "operation": {
            "description": "Operation is the type of operation which lead to this ManagedFieldsEntry being created. The only valid values for this field are 'Apply' and 'Update'.",
            "type": "string"
          },
          "subresource": {

          },
          "manager": {
            "description": "Manager is an identifier of the workflow managing these fields.",
            "type": "string"
          },
          "operation": {
            "description": "Operation is the type of operation which lead to this ManagedFieldsEntry being created. The only valid values for this field are 'Apply' and 'Update'.",
            "type": "string"
          },
          "subresource": {