c-typeck.c (build_component_ref): Turn "for" into "do ..

	* c-typeck.c (build_component_ref):  Turn "for" into "do .. while"
	to avoid "may be used uninitialized" warning on ia64-hpux.
	* config/ia64/ia64-c.c: Include "tm_p.h" for function prototypes.

From-SVN: r64434

gcc/ChangeLog

+2003-03-16  Roger Sayle  <roger@eyesopen.com>
+
+	* c-typeck.c (build_component_ref):  Turn "for" into "do .. while"
+	to avoid "may be used uninitialized" warning on ia64-hpux.
+	* config/ia64/ia64-c.c: Include "tm_p.h" for function prototypes.
+
 2003-03-16  Andreas Jaeger  <aj@suse.de>
 
 	* configure.in: Improve check for memcheck.h.

gcc/c-typeck.c

@@ -1152,7 +1152,7 @@ build_component_ref (datum, component)
 	 end does it - by giving the anonymous entities each a
 	 separate name and type, and then have build_component_ref
 	 recursively call itself.  We can't do that here.  */
-      for (; field; field = TREE_CHAIN (field))
+      do
 	{
 	  tree subdatum = TREE_VALUE (field);
 
@@ -1169,7 +1169,10 @@ build_component_ref (datum, component)
 	    warn_deprecated_use (subdatum);
 
 	  datum = ref;
+
+	  field = TREE_CHAIN (field);
 	}
+      while (field);
 
       return ref;
     }

gcc/config/ia64/ia64-c.c

@@ -28,6 +28,7 @@ Boston, MA 02111-1307, USA.  */
 #include "c-common.h"
 #include "c-pragma.h"
 #include "toplev.h"
+#include "tm_p.h"
 
 static void ia64_hpux_add_pragma_builtin PARAMS ((tree func));