re PR target/31684 (ICE in get_attr_first_insn, at config/ia64/itanium2.md:1839 at -O2)

	PR target/31684
	* haifa-sched.c (add_to_speculative_block): Change copy_rtx to
	copy_insn.

Co-Authored-By: James E Wilson <wilson@specifixinc.com>

From-SVN: r126216

gcc/ChangeLog

+2007-07-02  Steve Ellcey  <sje@cup.hp.com>
+	    Jim Wilson <wilson@specifix.com>
+
+	PR target/31684
+	* haifa-sched.c (add_to_speculative_block): Change copy_rtx to
+	copy_insn.
+
 2007-07-02  Sandra Loosemore  <sandra@codesourcery.com>
 	    Richard Sandiford  <richard@codesourcery.com>
 	    Nigel Stephens  <nigel@mips.com>

gcc/haifa-sched.c

@@ -3358,7 +3358,7 @@ add_to_speculative_block (rtx insn)
       
       rec = BLOCK_FOR_INSN (check);
       
-      twin = emit_insn_before (copy_rtx (PATTERN (insn)), BB_END (rec));
+      twin = emit_insn_before (copy_insn (PATTERN (insn)), BB_END (rec));
       extend_global (twin);
 
       copy_deps_list_change_con (INSN_RESOLVED_BACK_DEPS (twin),