Fix initializer list order in <regex> to be correct

llvm-svn: 242864
Cr-Mirrored-From: sso://chromium.googlesource.com/_direct/external/github.com/llvm/llvm-project
Cr-Mirrored-Commit: b50f8f9ee7cd7dd9442d95f5316ed2868df90348
diff --git a/include/regex b/include/regex
index f8e57f4..6ac5e1d 100644
--- a/include/regex
+++ b/include/regex
@@ -2952,7 +2952,7 @@
 
     _LIBCPP_INLINE_VISIBILITY
     __lookahead(const basic_regex<_CharT, _Traits>& __exp, bool __invert, __node<_CharT>* __s, unsigned __mexp)
-        : base(__s), __exp_(__exp), __invert_(__invert), __mexp_(__mexp) {}
+        : base(__s), __exp_(__exp), __mexp_(__mexp), __invert_(__invert) {}
 
     virtual void __exec(__state&) const;
 };
@@ -5421,8 +5421,8 @@
       __unmatched_(),
       __prefix_(),
       __suffix_(),
-      __position_start_(),
-      __ready_(false)
+      __ready_(false),
+      __position_start_()
 {
 }