[libc++] NFC: Normalize `#endif //` comment indentation

GitOrigin-RevId: 4cd6ca102a94e1b64ba3f940cc26b4d7b2b82964
diff --git a/src/filesystem/filesystem_common.h b/src/filesystem/filesystem_common.h
index f7f9013..60d0705 100644
--- a/src/filesystem/filesystem_common.h
+++ b/src/filesystem/filesystem_common.h
@@ -90,14 +90,14 @@
   va_start(ap, msg);
 #ifndef _LIBCPP_NO_EXCEPTIONS
   try {
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
     ret = format_string_impl(msg, ap);
 #ifndef _LIBCPP_NO_EXCEPTIONS
   } catch (...) {
     va_end(ap);
     throw;
   }
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
   va_end(ap);
   return ret;
 }
@@ -196,14 +196,14 @@
     va_start(ap, msg);
 #ifndef _LIBCPP_NO_EXCEPTIONS
     try {
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
       report_impl(ec, msg, ap);
 #ifndef _LIBCPP_NO_EXCEPTIONS
     } catch (...) {
       va_end(ap);
       throw;
     }
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
     va_end(ap);
     return error_value<T>();
   }
@@ -218,14 +218,14 @@
     va_start(ap, msg);
 #ifndef _LIBCPP_NO_EXCEPTIONS
     try {
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
       report_impl(make_error_code(err), msg, ap);
 #ifndef _LIBCPP_NO_EXCEPTIONS
     } catch (...) {
       va_end(ap);
       throw;
     }
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
     va_end(ap);
     return error_value<T>();
   }
diff --git a/src/ios.cpp b/src/ios.cpp
index 7e4d061..a8a9901 100644
--- a/src/ios.cpp
+++ b/src/ios.cpp
@@ -43,7 +43,7 @@
     if (ev != static_cast<int>(io_errc::stream)
 #ifdef _LIBCPP_ELAST
         && ev <= _LIBCPP_ELAST
-#endif  // _LIBCPP_ELAST
+#endif // _LIBCPP_ELAST
         )
         return __do_message::message(ev);
     return string("unspecified iostream_category error");
@@ -416,7 +416,7 @@
 #ifndef _LIBCPP_NO_EXCEPTIONS
     if (__exceptions_ & badbit)
         throw;
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
 }
 
 void
@@ -426,7 +426,7 @@
 #ifndef _LIBCPP_NO_EXCEPTIONS
     if (__exceptions_ & failbit)
         throw;
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
 }
 
 bool
diff --git a/src/locale.cpp b/src/locale.cpp
index 3194539..634ae6f 100644
--- a/src/locale.cpp
+++ b/src/locale.cpp
@@ -240,7 +240,7 @@
 #ifndef _LIBCPP_NO_EXCEPTIONS
     try
     {
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
         facets_ = locale::classic().__locale_->facets_;
         for (unsigned i = 0; i < facets_.size(); ++i)
             if (facets_[i])
@@ -280,7 +280,7 @@
                 facets_[i]->__release_shared();
         throw;
     }
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
 }
 
 // NOTE avoid the `base class should be explicitly initialized in the
@@ -315,7 +315,7 @@
 #ifndef _LIBCPP_NO_EXCEPTIONS
     try
     {
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
         if (c & locale::collate)
         {
             install(new collate_byname<char>(name));
@@ -369,7 +369,7 @@
                 facets_[i]->__release_shared();
         throw;
     }
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
 }
 
 template<class F>
@@ -392,7 +392,7 @@
 #ifndef _LIBCPP_NO_EXCEPTIONS
     try
     {
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
         if (c & locale::collate)
         {
             install_from<_VSTD::collate<char> >(one);
@@ -454,7 +454,7 @@
                 facets_[i]->__release_shared();
         throw;
     }
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
 }
 
 locale::__imp::__imp(const __imp& other, facet* f, long id)
diff --git a/src/mutex.cpp b/src/mutex.cpp
index efb9a90..36362e3 100644
--- a/src/mutex.cpp
+++ b/src/mutex.cpp
@@ -209,7 +209,7 @@
 #ifndef _LIBCPP_NO_EXCEPTIONS
         try
         {
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
             flag = 1;
             func(arg);
             flag = ~once_flag::_State_type(0);
@@ -220,7 +220,7 @@
             flag = 0;
             throw;
         }
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
     }
 #else // !_LIBCPP_HAS_NO_THREADS
     __libcpp_mutex_lock(&mut);
@@ -231,7 +231,7 @@
 #ifndef _LIBCPP_NO_EXCEPTIONS
         try
         {
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
             __libcpp_relaxed_store(&flag, once_flag::_State_type(1));
             __libcpp_mutex_unlock(&mut);
             func(arg);
@@ -250,7 +250,7 @@
             __libcpp_condvar_broadcast(&cv);
             throw;
         }
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
     }
     else
         __libcpp_mutex_unlock(&mut);
diff --git a/src/new.cpp b/src/new.cpp
index f804623..5486815 100644
--- a/src/new.cpp
+++ b/src/new.cpp
@@ -89,14 +89,14 @@
 #ifndef _LIBCPP_NO_EXCEPTIONS
     try
     {
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
         p = ::operator new(size);
 #ifndef _LIBCPP_NO_EXCEPTIONS
     }
     catch (...)
     {
     }
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
     return p;
 }
 
@@ -115,14 +115,14 @@
 #ifndef _LIBCPP_NO_EXCEPTIONS
     try
     {
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
         p = ::operator new[](size);
 #ifndef _LIBCPP_NO_EXCEPTIONS
     }
     catch (...)
     {
     }
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
     return p;
 }
 
@@ -210,14 +210,14 @@
 #ifndef _LIBCPP_NO_EXCEPTIONS
     try
     {
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
         p = ::operator new(size, alignment);
 #ifndef _LIBCPP_NO_EXCEPTIONS
     }
     catch (...)
     {
     }
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
     return p;
 }
 
@@ -236,14 +236,14 @@
 #ifndef _LIBCPP_NO_EXCEPTIONS
     try
     {
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
         p = ::operator new[](size, alignment);
 #ifndef _LIBCPP_NO_EXCEPTIONS
     }
     catch (...)
     {
     }
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
     return p;
 }
 
diff --git a/src/support/runtime/exception_fallback.ipp b/src/support/runtime/exception_fallback.ipp
index d81e058..67ebde3 100644
--- a/src/support/runtime/exception_fallback.ipp
+++ b/src/support/runtime/exception_fallback.ipp
@@ -56,7 +56,7 @@
 #ifndef _LIBCPP_NO_EXCEPTIONS
     try
     {
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
         (*get_terminate())();
         // handler should not return
         fprintf(stderr, "terminate_handler unexpectedly returned\n");
@@ -69,7 +69,7 @@
         fprintf(stderr, "terminate_handler unexpectedly threw an exception\n");
         ::abort();
     }
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
 }
 
 bool uncaught_exception() noexcept { return uncaught_exceptions() > 0; }
diff --git a/src/support/runtime/exception_msvc.ipp b/src/support/runtime/exception_msvc.ipp
index 8431907..7e36c70 100644
--- a/src/support/runtime/exception_msvc.ipp
+++ b/src/support/runtime/exception_msvc.ipp
@@ -60,7 +60,7 @@
 #ifndef _LIBCPP_NO_EXCEPTIONS
     try
     {
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
         (*get_terminate())();
         // handler should not return
         fprintf(stderr, "terminate_handler unexpectedly returned\n");
@@ -73,7 +73,7 @@
         fprintf(stderr, "terminate_handler unexpectedly threw an exception\n");
         ::abort();
     }
-#endif  // _LIBCPP_NO_EXCEPTIONS
+#endif // _LIBCPP_NO_EXCEPTIONS
 }
 
 bool uncaught_exception() noexcept { return uncaught_exceptions() > 0; }
diff --git a/src/system_error.cpp b/src/system_error.cpp
index 6d22cb7..a1ea6c4 100644
--- a/src/system_error.cpp
+++ b/src/system_error.cpp
@@ -157,7 +157,7 @@
 #ifdef _LIBCPP_ELAST
     if (ev > _LIBCPP_ELAST)
       return string("unspecified generic_category error");
-#endif  // _LIBCPP_ELAST
+#endif // _LIBCPP_ELAST
     return __do_message::message(ev);
 }
 
@@ -189,7 +189,7 @@
 #ifdef _LIBCPP_ELAST
     if (ev > _LIBCPP_ELAST)
       return string("unspecified system_category error");
-#endif  // _LIBCPP_ELAST
+#endif // _LIBCPP_ELAST
     return __do_message::message(ev);
 }
 
@@ -199,7 +199,7 @@
 #ifdef _LIBCPP_ELAST
     if (ev > _LIBCPP_ELAST)
       return error_condition(ev, system_category());
-#endif  // _LIBCPP_ELAST
+#endif // _LIBCPP_ELAST
     return error_condition(ev, generic_category());
 }
 
diff --git a/src/thread.cpp b/src/thread.cpp
index 8d49e2f..8dddb24 100644
--- a/src/thread.cpp
+++ b/src/thread.cpp
@@ -94,7 +94,7 @@
 #       warning hardware_concurrency not yet implemented
 #   endif
     return 0;  // Means not computable [thread.thread.static]
-#endif  // defined(CTL_HW) && defined(HW_NCPU)
+#endif // defined(CTL_HW) && defined(HW_NCPU)
 }
 
 namespace this_thread