eh_alloc.cc (__cxa_free_exception): Don't refer to the emergency_buffer using…

eh_alloc.cc (__cxa_free_exception): Don't refer to the emergency_buffer using `&array[0][0]' notation, use `array'.

	* libsupc++/eh_alloc.cc (__cxa_free_exception): Don't refer to the
	emergency_buffer using `&array[0][0]' notation, use `array'.

From-SVN: r121456

libstdc++-v3/ChangeLog

+2007-02-01  Ben Elliston  <bje@au.ibm.com>
+
+	* libsupc++/eh_alloc.cc (__cxa_free_exception): Don't refer to the
+	emergency_buffer using `&array[0][0]' notation, use `array'.
+
 2007-01-30  Benjamin Kosnik  <bkoz@redhat.com>
 
 	PR libstdc++/30571

libstdc++-v3/libsupc++/eh_alloc.cc

@@ -143,12 +143,13 @@ __cxxabiv1::__cxa_allocate_exception(std::size_t thrown_size) throw()
 extern "C" void
 __cxxabiv1::__cxa_free_exception(void *vptr) throw()
 {
+  char *base = (char *) emergency_buffer;
   char *ptr = (char *) vptr;
-  if (ptr >= &emergency_buffer[0][0]
-      && ptr < &emergency_buffer[0][0] + sizeof (emergency_buffer))
+  if (ptr >= base
+      && ptr < base + sizeof (emergency_buffer))
     {
       const unsigned int which
-	= (unsigned)(ptr - &emergency_buffer[0][0]) / EMERGENCY_OBJ_SIZE;
+	= (unsigned) (ptr - base) / EMERGENCY_OBJ_SIZE;
 
       __gnu_cxx::__scoped_lock sentry(emergency_mutex);
       emergency_used &= ~((bitmask_type)1 << which);