Backed out changeset 975163dad54f (bug 1680402) for causing leaks. CLOSED TREE

mozglue/misc/Debug.h

@@ -45,10 +45,15 @@ inline void printf_stderr(const char* fmt, ...) MOZ_FORMAT_PRINTF(1, 2) {
   }
 #endif  // defined(XP_WIN)
 
+  FILE* fp = _fdopen(_dup(2), "a");
+  if (!fp) return;
+
   va_list args;
   va_start(args, fmt);
-  vfprintf(stderr, fmt, args);
+  vfprintf(fp, fmt, args);
   va_end(args);
+
+  fclose(fp);
 }
 
 #ifdef __cplusplus

xpcom/base/nsCRTGlue.cpp

@@ -253,7 +253,15 @@ void vprintf_stderr(const char* aFmt, va_list aArgs) {
     }
   }
 
-  vfprintf(stderr, aFmt, aArgs);
+  FILE* fp = _fdopen(_dup(2), "a");
+  if (!fp) {
+    return;
+  }
+
+  vfprintf(fp, aFmt, aArgs);
+
+  AutoSuspendLateWriteChecks suspend;
+  fclose(fp);
 }
 
 #elif defined(ANDROID)