Fix buffer read overflow in money_get::do_get(). Found by UBSan

llvm-svn: 177694

diff --git a/libcxx/include/locale b/libcxx/include/locale
index 662b980..1c7156c 100644 (file)
--- a/libcxx/include/locale
+++ b/libcxx/include/locale
@@ -3359,7 +3359,7 @@ money_get<_CharT, _InputIterator>::do_get(iter_type __b, iter_type __e,
         if (__neg)
             *__nc++ = '-';
         for (const char_type* __w = __wb.get(); __w < __wn; ++__w, ++__nc)
-            *__nc = __src[find(__atoms, __atoms+sizeof(__atoms), *__w) - __atoms];
+            *__nc = __src[find(__atoms, _VSTD::end(__atoms), *__w) - __atoms];
         *__nc = char();
         if (sscanf(__nbuf, "%Lf", &__v) != 1)
             __throw_runtime_error("money_get error");