[PATCH] Fix PR79732

[Richard Biener]

Bootstrap / regtest running on x86_64-unknown-linux-gnu.

Richard.

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

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

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

Index: gcc/tree-inline.c
===================================================================
--- gcc/tree-inline.c   (revision 245753)
+++ gcc/tree-inline.c   (working copy)
@@ -4782,7 +4782,7 @@ expand_call_inline (basic_block bb, gimp
            {
              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.  */
Index: gcc/testsuite/gcc.dg/torture/pr79732.c
===================================================================
--- gcc/testsuite/gcc.dg/torture/pr79732.c      (nonexistent)
+++ gcc/testsuite/gcc.dg/torture/pr79732.c      (working copy)
@@ -0,0 +1,5 @@
+/* { dg-do link } */
+
+int bar () __attribute__ ((alias ("foo")));
+void foo () { }
+int main () { return bar(); }