re PR middle-end/23676 (ICE: "missing REG_EH_REGION note in the end of bb")

        PR 23676
        * reload1.c (reload_as_needed): Check !CALL_P before calling
        fixup_eh_region_note.
        * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.

From-SVN: r103751

gcc/ChangeLog

+2005-09-01  Richard Henderson  <rth@redhat.com>
+
+	PR 23676
+	* reload1.c (reload_as_needed): Check !CALL_P before calling
+	fixup_eh_region_note.
+	* rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
+
 2005-09-01  DJ Delorie  <dj@redhat.com>
 
 	* varasm.c (output_constant): Let the target resolve

gcc/reload1.c

@@ -3926,7 +3926,7 @@ reload_as_needed (int live_known)
 	      subst_reloads (insn);
 
 	      /* Adjust the exception region notes for loads and stores.  */
-	      if (flag_non_call_exceptions)
+	      if (flag_non_call_exceptions && !CALL_P (insn))
 		fixup_eh_region_note (insn, prev, next);
 
 	      /* If this was an ASM, make sure that all the reload insns

gcc/rtlanal.c

@@ -2166,6 +2166,7 @@ may_trap_p (rtx x)
 
     case NEG:
     case ABS:
+    case SUBREG:
       /* These operations don't trap even with floating point.  */
       break;