diff --git a/src/cache/PhutilAPCKeyValueCache.php b/src/cache/PhutilAPCKeyValueCache.php
--- a/src/cache/PhutilAPCKeyValueCache.php
+++ b/src/cache/PhutilAPCKeyValueCache.php
@@ -90,7 +90,7 @@
     return $this;
   }
 
-  private static function isAPCU() {
+  private static function isAPCu() {
     return function_exists('apcu_fetch');
   }
 
diff --git a/src/cache/PhutilKeyValueCacheStack.php b/src/cache/PhutilKeyValueCacheStack.php
--- a/src/cache/PhutilKeyValueCacheStack.php
+++ b/src/cache/PhutilKeyValueCacheStack.php
@@ -68,7 +68,7 @@
    * @task    config
    */
   public function setNextTTL($ttl) {
-    $this->ttl = $ttl;
+    $this->nextTTL = $ttl;
     return $this;
   }
 
diff --git a/src/filesystem/Filesystem.php b/src/filesystem/Filesystem.php
--- a/src/filesystem/Filesystem.php
+++ b/src/filesystem/Filesystem.php
@@ -384,7 +384,7 @@
    * Get the last modified time of a file
    *
    * @param string Path to file
-   * @return Time last modified
+   * @return int Time last modified
    *
    * @task file
    */
diff --git a/src/future/aws/PhutilAWSException.php b/src/future/aws/PhutilAWSException.php
--- a/src/future/aws/PhutilAWSException.php
+++ b/src/future/aws/PhutilAWSException.php
@@ -4,6 +4,7 @@
 
   private $httpStatus;
   private $requestID;
+  private $params;
 
   public function __construct($http_status, array $params) {
     $this->httpStatus = $http_status;
diff --git a/src/future/exec/PhutilSignalRouter.php b/src/future/exec/PhutilSignalRouter.php
--- a/src/future/exec/PhutilSignalRouter.php
+++ b/src/future/exec/PhutilSignalRouter.php
@@ -69,7 +69,8 @@
       throw new PhutilAggregateException(
         pht(
           'Signal handlers raised exceptions while handling "%s".',
-          phutil_get_signal_name($signo)));
+          phutil_get_signal_name($signo)),
+        $exceptions);
     }
 
     switch ($signo) {
diff --git a/src/future/http/status/HTTPFutureParseResponseStatus.php b/src/future/http/status/HTTPFutureParseResponseStatus.php
--- a/src/future/http/status/HTTPFutureParseResponseStatus.php
+++ b/src/future/http/status/HTTPFutureParseResponseStatus.php
@@ -4,6 +4,8 @@
 
   const ERROR_MALFORMED_RESPONSE = 1;
 
+  private $rawResponse;
+
   public function __construct($code, $raw_response) {
     $this->rawResponse = $raw_response;
     parent::__construct($code);
diff --git a/src/internationalization/PhutilNumber.php b/src/internationalization/PhutilNumber.php
--- a/src/internationalization/PhutilNumber.php
+++ b/src/internationalization/PhutilNumber.php
@@ -5,8 +5,9 @@
   private $value;
   private $decimals = 0;
 
-  public function __construct($value) {
+  public function __construct($value, $decimals = 0) {
     $this->value = $value;
+    $this->decimals = $decimals;
   }
 
   public function getNumber() {
diff --git a/src/markup/engine/PhutilRemarkupEngine.php b/src/markup/engine/PhutilRemarkupEngine.php
--- a/src/markup/engine/PhutilRemarkupEngine.php
+++ b/src/markup/engine/PhutilRemarkupEngine.php
@@ -293,7 +293,7 @@
       $rule->didMarkupText();
     }
 
-    return $this->restoreText(idx($dict, 'output'), $this->isTextMode());
+    return $this->restoreText(idx($dict, 'output'));
   }
 
   public function restoreText($text) {