[PATCH] Fix memory leak in ipa-reference (PR middle-end/56461)

[Jakub Jelinek]

Hi!

Apparently even node->alias nodes can have reference vars info created,
so we need to free it too.

Bootstrapped/regtested on x86_64-linux and i686-linux, ok for trunk?

2013-02-27  Jakub Jelinek  <ja...@redhat.com>

        PR middle-end/56461
        * ipa-reference.c (propagate): Free node_info even for alias nodes.

--- gcc/ipa-reference.c.jj      2013-01-11 09:02:37.000000000 +0100
+++ gcc/ipa-reference.c 2013-02-27 09:17:00.692004693 +0100
@@ -834,12 +834,10 @@ propagate (void)
       ipa_reference_global_vars_info_t node_g;
       ipa_reference_optimization_summary_t opt;
 
-      if (node->alias)
-        continue;
-
       node_info = get_reference_vars_info (node);
-      if (cgraph_function_body_availability (node) > AVAIL_OVERWRITABLE
-         || (flags_from_decl_or_type (node->symbol.decl) & ECF_LEAF))
+      if (!node->alias
+         && (cgraph_function_body_availability (node) > AVAIL_OVERWRITABLE
+             || (flags_from_decl_or_type (node->symbol.decl) & ECF_LEAF)))
        {
          node_g = &node_info->global;
 

        Jakub