locale_facets_nonio.tcc (time_put<>::do_put): Avoid pointless __builtin_alloca use.

2010-01-07  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/bits/locale_facets_nonio.tcc (time_put<>::do_put): Avoid
	pointless __builtin_alloca use.

From-SVN: r155697

libstdc++-v3/ChangeLog

+2010-01-07  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	* include/bits/locale_facets_nonio.tcc (time_put<>::do_put): Avoid
+	pointless __builtin_alloca use.
+
 2010-01-06  Paolo Carlini  <paolo.carlini@oracle.com>
 
 	PR libstdc++/26701

libstdc++-v3/include/bits/locale_facets_nonio.tcc

@@ -1182,8 +1182,7 @@ _GLIBCXX_END_LDBL_NAMESPACE
       // NB: This size is arbitrary. Should this be a data member,
       // initialized at construction?
       const size_t __maxlen = 128;
-      char_type* __res = 
-       static_cast<char_type*>(__builtin_alloca(sizeof(char_type) * __maxlen));
+      char_type __res[__maxlen];
 
       // NB: In IEE 1003.1-200x, and perhaps other locale models, it
       // is possible that the format character will be longer than one