diff --git a/libc/src/spawn/CMakeLists.txt b/libc/src/spawn/CMakeLists.txt
--- a/libc/src/spawn/CMakeLists.txt
+++ b/libc/src/spawn/CMakeLists.txt
@@ -30,6 +30,7 @@
     .file_actions
     libc.include.errno
     libc.include.spawn
+    libc.src.__support.CPP.new
 )
 
 add_entrypoint_object(
@@ -42,6 +43,7 @@
     .file_actions
     libc.include.errno
     libc.include.spawn
+    libc.src.__support.CPP.new
 )
 
 add_entrypoint_object(
@@ -54,6 +56,7 @@
     .file_actions
     libc.include.errno
     libc.include.spawn
+    libc.src.__support.CPP.new
 )
 
 add_entrypoint_object(
@@ -66,6 +69,7 @@
     .file_actions
     libc.include.errno
     libc.include.spawn
+    libc.src.__support.CPP.new
 )
 
 add_entrypoint_object(
diff --git a/libc/src/spawn/file_actions.h b/libc/src/spawn/file_actions.h
--- a/libc/src/spawn/file_actions.h
+++ b/libc/src/spawn/file_actions.h
@@ -23,6 +23,21 @@
 
   ActionType type;
   BaseSpawnFileAction *next;
+
+  static void add_action(posix_spawn_file_actions_t *actions,
+                         BaseSpawnFileAction *act) {
+    if (actions->__back != nullptr) {
+      auto *back = reinterpret_cast<BaseSpawnFileAction *>(actions->__back);
+      back->next = act;
+      actions->__back = act;
+    } else {
+      // First action is being added.
+      actions->__front = actions->__back = act;
+    }
+  }
+
+protected:
+  explicit BaseSpawnFileAction(ActionType t) : type(t), next(nullptr) {}
 };
 
 struct SpawnFileOpenAction : public BaseSpawnFileAction {
@@ -30,28 +45,27 @@
   int fd;
   int oflag;
   mode_t mode;
+
+  SpawnFileOpenAction(const char *p, int fdesc, int flags, mode_t m)
+      : BaseSpawnFileAction(BaseSpawnFileAction::OPEN), path(p), fd(fdesc),
+        oflag(flags), mode(m) {}
 };
 
 struct SpawnFileCloseAction : public BaseSpawnFileAction {
   int fd;
+
+  SpawnFileCloseAction(int fdesc)
+      : BaseSpawnFileAction(BaseSpawnFileAction::CLOSE), fd(fdesc) {}
 };
 
 struct SpawnFileDup2Action : public BaseSpawnFileAction {
   int fd;
   int newfd;
-};
 
-inline void enque_spawn_action(posix_spawn_file_actions_t *actions,
-                               BaseSpawnFileAction *act) {
-  if (actions->__back != nullptr) {
-    auto *back = reinterpret_cast<BaseSpawnFileAction *>(actions->__back);
-    back->next = act;
-    actions->__back = act;
-  } else {
-    // First action is being added.
-    actions->__front = actions->__back = act;
-  }
-}
+  SpawnFileDup2Action(int fdesc, int new_fdesc)
+      : BaseSpawnFileAction(BaseSpawnFileAction::DUP2), fd(fdesc),
+        newfd(new_fdesc) {}
+};
 
 } // namespace __llvm_libc
 
diff --git a/libc/src/spawn/posix_spawn_file_actions_addclose.cpp b/libc/src/spawn/posix_spawn_file_actions_addclose.cpp
--- a/libc/src/spawn/posix_spawn_file_actions_addclose.cpp
+++ b/libc/src/spawn/posix_spawn_file_actions_addclose.cpp
@@ -9,11 +9,11 @@
 #include "posix_spawn_file_actions_addclose.h"
 
 #include "file_actions.h"
+#include "src/__support/CPP/new.h"
 #include "src/__support/common.h"
 
 #include <errno.h>
 #include <spawn.h>
-#include <stdlib.h> // For malloc
 
 namespace __llvm_libc {
 
@@ -24,14 +24,12 @@
   if (fd < 0)
     return EBADF;
 
-  auto *act = reinterpret_cast<SpawnFileCloseAction *>(
-      malloc(sizeof(SpawnFileCloseAction)));
-  if (act == nullptr)
+  AllocChecker ac;
+  auto *act = new (ac) SpawnFileCloseAction(fd);
+  if (!ac)
     return ENOMEM;
+  BaseSpawnFileAction::add_action(actions, act);
 
-  act->type = BaseSpawnFileAction::CLOSE;
-  act->fd = fd;
-  enque_spawn_action(actions, act);
   return 0;
 }
 
diff --git a/libc/src/spawn/posix_spawn_file_actions_adddup2.cpp b/libc/src/spawn/posix_spawn_file_actions_adddup2.cpp
--- a/libc/src/spawn/posix_spawn_file_actions_adddup2.cpp
+++ b/libc/src/spawn/posix_spawn_file_actions_adddup2.cpp
@@ -9,11 +9,11 @@
 #include "posix_spawn_file_actions_adddup2.h"
 
 #include "file_actions.h"
+#include "src/__support/CPP/new.h"
 #include "src/__support/common.h"
 
 #include <errno.h>
 #include <spawn.h>
-#include <stdlib.h> // For malloc
 
 namespace __llvm_libc {
 
@@ -24,16 +24,12 @@
   if (fd < 0 || newfd < 0)
     return EBADF;
 
-  auto *act = reinterpret_cast<SpawnFileDup2Action *>(
-      malloc(sizeof(SpawnFileDup2Action)));
-  if (act == nullptr)
+  AllocChecker ac;
+  auto *act = new (ac) SpawnFileDup2Action(fd, newfd);
+  if (!ac)
     return ENOMEM;
+  BaseSpawnFileAction::add_action(actions, act);
 
-  act->type = BaseSpawnFileAction::DUP2;
-  act->fd = fd;
-  act->newfd = newfd;
-  act->next = nullptr;
-  enque_spawn_action(actions, act);
   return 0;
 }
 
diff --git a/libc/src/spawn/posix_spawn_file_actions_addopen.cpp b/libc/src/spawn/posix_spawn_file_actions_addopen.cpp
--- a/libc/src/spawn/posix_spawn_file_actions_addopen.cpp
+++ b/libc/src/spawn/posix_spawn_file_actions_addopen.cpp
@@ -9,11 +9,11 @@
 #include "posix_spawn_file_actions_addopen.h"
 
 #include "file_actions.h"
+#include "src/__support/CPP/new.h"
 #include "src/__support/common.h"
 
 #include <errno.h>
 #include <spawn.h>
-#include <stdlib.h> // For malloc
 
 namespace __llvm_libc {
 
@@ -25,18 +25,12 @@
   if (fd < 0)
     return EBADF;
 
-  auto *act = reinterpret_cast<SpawnFileOpenAction *>(
-      malloc(sizeof(SpawnFileOpenAction)));
+  AllocChecker ac;
+  auto *act = new (ac) SpawnFileOpenAction(path, fd, oflag, mode);
   if (act == nullptr)
     return ENOMEM;
+  BaseSpawnFileAction::add_action(actions, act);
 
-  act->type = BaseSpawnFileAction::OPEN;
-  act->fd = fd;
-  act->path = path;
-  act->oflag = oflag;
-  act->mode = mode;
-  act->next = nullptr;
-  enque_spawn_action(actions, act);
   return 0;
 }
 
diff --git a/libc/src/spawn/posix_spawn_file_actions_destroy.cpp b/libc/src/spawn/posix_spawn_file_actions_destroy.cpp
--- a/libc/src/spawn/posix_spawn_file_actions_destroy.cpp
+++ b/libc/src/spawn/posix_spawn_file_actions_destroy.cpp
@@ -9,11 +9,11 @@
 #include "posix_spawn_file_actions_destroy.h"
 
 #include "file_actions.h"
+#include "src/__support/CPP/new.h"
 #include "src/__support/common.h"
 
 #include <errno.h>
 #include <spawn.h>
-#include <stdlib.h> // For free
 
 namespace __llvm_libc {
 
@@ -27,11 +27,24 @@
   auto *act = reinterpret_cast<BaseSpawnFileAction *>(actions->__front);
   actions->__front = nullptr;
   actions->__back = nullptr;
+  if (act == nullptr)
+    return 0;
 
+  act = act->next;
   while (act != nullptr) {
-    auto *next = act->next;
-    free(act);
-    act = next;
+    auto *temp = act;
+    act = act->next;
+    switch (temp->type) {
+    case BaseSpawnFileAction::OPEN:
+      delete reinterpret_cast<SpawnFileOpenAction *>(temp);
+      break;
+    case BaseSpawnFileAction::CLOSE:
+      delete reinterpret_cast<SpawnFileCloseAction *>(temp);
+      break;
+    case BaseSpawnFileAction::DUP2:
+      delete reinterpret_cast<SpawnFileDup2Action *>(temp);
+      break;
+    }
   }
 
   return 0;