re PR ada/19942 (Stage 2 compilation of ali.adb causes GNAT bug box)

2005-02-13  Andrew Pinski  <pinskia@physics.uc.edu>

        PR ada/19942
        * utils.c (gnat_type_for_mode): Return null instead of ICE because we asked
        for an unknown mode.

From-SVN: r94989

gcc/ada/ChangeLog

+2005-02-13  Andrew Pinski  <pinskia@physics.uc.edu>
+
+	PR ada/19942
+	* utils.c (gnat_type_for_mode): Return null instead of ICE because we asked
+	for an unknown mode.
+
 2005-02-12  Richard Henderson  <rth@redhat.com>
 
 	* utils.c (gnat_type_for_mode): Return NULL for COMPLEX modes;

gcc/ada/utils.c

@@ -1835,7 +1835,7 @@ gnat_type_for_mode (enum machine_mode mode, int unsignedp)
   else if (SCALAR_INT_MODE_P (mode))
     return gnat_type_for_size (GET_MODE_BITSIZE (mode), unsignedp);
   else
-    gcc_unreachable ();
+    return NULL_TREE;
 }
 
 /* Return the unsigned version of a TYPE_NODE, a scalar type.  */