re PR middle-end/79732 (ICE in set_ssa_default_def, at tree-dfa.c:327)

2017-02-28  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/79732
	* tree-inline.c (expand_call_inline): Do not shadow var.

	* gcc.dg/torture/pr79732.c: New testcase.

From-SVN: r245773

gcc/ChangeLog

 2017-02-28  Richard Biener  <rguenther@suse.de>
 
+	PR tree-optimization/79732
+	* tree-inline.c (expand_call_inline): Do not shadow var.
+
+2017-02-28  Richard Biener  <rguenther@suse.de>
+
 	PR tree-optimization/79723
 	* tree-vect-stmts.c (get_vectype_for_scalar_type_and_size): Preserve
 	address-space properly.

gcc/testsuite/ChangeLog

 2017-02-28  Richard Biener  <rguenther@suse.de>
 
+	PR tree-optimization/79732
+	* gcc.dg/torture/pr79732.c: New testcase.
+
+2017-02-28  Richard Biener  <rguenther@suse.de>
+
 	PR tree-optimization/79723
 	* gcc.target/i386/pr79723.c: New testcase.
 

gcc/testsuite/gcc.dg/torture/pr79732.c

+/* { dg-do link } */
+
+int bar () __attribute__ ((alias ("foo")));
+void foo () { }
+int main () { return bar(); }

gcc/tree-inline.c

@@ -4782,7 +4782,7 @@ expand_call_inline (basic_block bb, gimple *stmt, copy_body_data *id)
 	    {
 	      if (!var)
 		{
-		  tree var = create_tmp_reg_fn (cfun, TREE_TYPE (name), NULL);
+		  var = create_tmp_reg_fn (cfun, TREE_TYPE (name), NULL);
 		  SET_SSA_NAME_VAR_OR_IDENTIFIER (name, var);
 		}
 	      /* Otherwise make this variable undefined.  */