diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 49115a46864c..5e70b6e8838b 100644
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,10 @@
+2003-05-27  Steve Ellcey  <sje@cup.hp.com>
+
+	* config/os/hpux/os_defines.h: Define _LIBUNWIND_STD_ABI if we are
+	on IA64 HP-UX.
+	* libsupc++/eh_throw.cc: Don't call _Unwind_Resume_or_Rethrow if
+	_LIBUNWIND_STD_ABI is set.
+
 2003-05-26  Brendan Kehoe  <brendan@zen.org>
 
 	* include/bits/locale_facets.tcc (do_get): Honor $22.2.6.3.3/8 and
diff --git a/libstdc++-v3/config/os/hpux/os_defines.h b/libstdc++-v3/config/os/hpux/os_defines.h
index 87d9d4f8d8e0..27951c199cb4 100644
--- a/libstdc++-v3/config/os/hpux/os_defines.h
+++ b/libstdc++-v3/config/os/hpux/os_defines.h
@@ -84,6 +84,13 @@ namespace std
 typedef long int __padding_type;
 #endif
 
+// GCC on IA64 HP-UX uses the HP-UX system unwind library,
+// it does not have the _Unwind_Resume_or_Rethrow entry point
+// because that is not part of the standard IA64 Unwind ABI.
+#if defined (__ia64__)
+#define _LIBUNWIND_STD_ABI 1
+#endif
+
 /* We need explicit instantiation of the atomicity lock on HPPA if
    there is no weak support.  */
 #if !defined(_GLIBCPP_SUPPORTS_WEAK) && defined (__hppa__)
diff --git a/libstdc++-v3/libsupc++/eh_throw.cc b/libstdc++-v3/libsupc++/eh_throw.cc
index c69c02140685..54d10fbc4f5b 100644
--- a/libstdc++-v3/libsupc++/eh_throw.cc
+++ b/libstdc++-v3/libsupc++/eh_throw.cc
@@ -97,8 +97,12 @@ __cxa_rethrow ()
 
 #ifdef _GLIBCPP_SJLJ_EXCEPTIONS
       _Unwind_SjLj_Resume_or_Rethrow (&header->unwindHeader);
+#else
+#ifdef _LIBUNWIND_STD_ABI
+      _Unwind_RaiseException (&header->unwindHeader);
 #else
       _Unwind_Resume_or_Rethrow (&header->unwindHeader);
+#endif
 #endif
   
       // Some sort of unwinding error.  Note that terminate is a handler.