re PR tree-optimization/37084 (ICE in gimple_assign_rhs1)

	PR tree-optimization/37084
	* tree-inline.c (copy_bb): Call gimple_regimplify_operands
	if id->regimplify, don't assume stmt is a cast assignment.

	* g++.dg/tree-ssa/pr37084.C: New test.

From-SVN: r139028

gcc/ChangeLog

+2008-08-12  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/37084
+	* tree-inline.c (copy_bb): Call gimple_regimplify_operands
+	if id->regimplify, don't assume stmt is a cast assignment.
+
 2008-08-12  Anatoly Sokolov  <aesok@post.ru>
 
         * final.c (final_scan_insn): Use app_enable/app_disable functions.

gcc/testsuite/ChangeLog

+2008-08-12  Jakub Jelinek  <jakub@redhat.com>
+
+	PR tree-optimization/37084
+	* g++.dg/tree-ssa/pr37084.C: New test.
+
 2008-08-12  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 
 	* gcc.c-torture/execute/20031003-1.c (main): Update test to

gcc/testsuite/g++.dg/tree-ssa/pr37084.C

+// PR tree-optimization/37084
+// { dg-do compile }
+// { dg-options "-O" }
+
+struct A
+{
+  A ();
+};
+
+inline A
+foo ()
+{
+  return A ();
+}
+
+const A a (foo ());

gcc/tree-inline.c

@@ -1260,10 +1260,9 @@ copy_bb (copy_body_data *id, basic_block bb, int frequency_scale,
 
       /* With return slot optimization we can end up with
 	 non-gimple (foo *)&this->m, fix that here.  */
-      if ((is_gimple_assign (stmt)
-	    && gimple_assign_rhs_code (stmt) == NOP_EXPR
-	    && !is_gimple_val (gimple_assign_rhs1 (stmt)))
-	  || id->regimplify)
+      if (is_gimple_assign (stmt)
+	  && gimple_assign_rhs_code (stmt) == NOP_EXPR
+	  && !is_gimple_val (gimple_assign_rhs1 (stmt)))
 	{
 	  tree new_rhs;
 	  new_rhs = force_gimple_operand_gsi (&copy_gsi,