re PR libstdc++/28344 (Use of __alpha in tr1/random breaks Tru64 UNIX bootstrap)

2006-07-11  Paolo Carlini  <pcarlini@suse.de>

	PR libstdc++/28344
	* include/tr1/random (gamma_distribution<>::
	gamma_distribution(const result_type&)): Don't use __alpha as
	parameter name, a predefined macro on Alpha systems.

From-SVN: r115355

libstdc++-v3/ChangeLog

 2006-07-11  Paolo Carlini  <pcarlini@suse.de>
 
+	PR libstdc++/28344
+	* include/tr1/random (gamma_distribution<>::
+	gamma_distribution(const result_type&)): Don't use __alpha as
+	parameter name, a predefined macro on Alpha systems.
+
+2006-07-11  Paolo Carlini  <pcarlini@suse.de>
+
 	PR libstdc++/28290
 	* include/ext/codecvt_specializations.h: Fix, adding missing
 	includes and guards.

libstdc++-v3/include/tr1/random

@@ -1980,8 +1980,8 @@ _GLIBCXX_BEGIN_NAMESPACE(tr1)
        * Constructs a gamma distribution with parameters @f$ \alpha @f$.
        */
       explicit
-      gamma_distribution(const result_type& __alpha = result_type(1))
-      : _M_alpha(__alpha)
+      gamma_distribution(const result_type& __alpha_val = result_type(1))
+      : _M_alpha(__alpha_val)
       { 
 	_GLIBCXX_DEBUG_ASSERT(_M_alpha > 0);
       }