Replace qsort with std::sort.

src/d8.cc

Index: src/d8.cc
diff --git a/src/d8.cc b/src/d8.cc
index 8f6e384c1a5fee8919de1052060597e056bb5a25..66f336c9c4e25e0257687639437dd2c2d437d430 100644
--- a/src/d8.cc
+++ b/src/d8.cc
@@ -42,6 +42,13 @@
 
 #ifdef V8_SHARED
 #include <assert.h>
+#endif  // V8_SHARED
+
+#ifndef V8_SHARED
+#include <algorithm>
+#endif  // !V8_SHARED
+
+#ifdef V8_SHARED
 #include "../include/v8-testing.h"
 #endif  // V8_SHARED
 
@@ -1360,9 +1367,8 @@ struct CounterAndKey {
 };
 
 
-int CompareKeys(const void* a, const void* b) {
-  return strcmp(static_cast<const CounterAndKey*>(a)->key,
-                static_cast<const CounterAndKey*>(b)->key);
+inline bool operator<(const CounterAndKey& lhs, const CounterAndKey& rhs) {
+  return strcmp(lhs.key, rhs.key) < 0;
 }
 #endif  // V8_SHARED
 
@@ -1382,7 +1388,7 @@ void Shell::OnExit() {
       counters[j].counter = i.CurrentValue();
       counters[j].key = i.CurrentKey();
     }
-    qsort(counters, number_of_counters, sizeof(counters[0]), CompareKeys);
+    std::sort(counters, counters + number_of_counters);
     printf("+----------------------------------------------------------------+"
            "-------------+\n");
     printf("| Name                                                           |"