flow.c (find_basic_blocks_1): Do not delete unreachable blocks after reload has completed.

        * flow.c (find_basic_blocks_1): Do not delete unreachable blocks
        after reload has completed.

From-SVN: r23140

gcc/ChangeLog

+Fri Oct 16 10:58:23 1998  Jeffrey A Law  (law@cygnus.com)
+
+	* flow.c (find_basic_blocks_1): Do not delete unreachable blocks
+	after reload has completed.
+
 Fri Oct 16 17:26:10 1998  Dave Brolley  <brolley@cygnus.com>
 
 	* cpplib.c (cpp_get_token): Replace whitespace that occurs between

gcc/flow.c

@@ -597,7 +597,7 @@ find_basic_blocks_1 (f, nonlocal_labels)
   if (n_basic_blocks > 0)
     {
       int something_marked = 1;
-      int deleted;
+      int deleted = 0;
 
       /* Pass over all blocks, marking each block that is reachable
 	 and has not yet been marked.
@@ -631,7 +631,8 @@ find_basic_blocks_1 (f, nonlocal_labels)
 	    && LABEL_REFS (basic_block_head[i]) == basic_block_head[i])
 	  abort ();
 
-      deleted = delete_unreachable_blocks ();
+      if (! reload_completed)
+	deleted = delete_unreachable_blocks ();
 
       /* There are pathological cases where one function calling hundreds of
 	 nested inline functions can generate lots and lots of unreachable