[Bug middle-end/58125] [4.9 Regression] ICE: in operator[], at vec.h:827 with -fno-inline-small-functions

[hubicka at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58125

--- Comment #5 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
OK, the testcase no longer reproduces, but the dump seems clear.  We introduced
new aliases but did not resize the summary vector, because we do not need info
for these.  Then we attempt to free it and ICE.
I am testing
Index: ipa-inline-analysis.c
===================================================================
--- ipa-inline-analysis.c       (revision 202199)
+++ ipa-inline-analysis.c       (working copy)
@@ -4019,7 +4019,8 @@
   if (!inline_edge_summary_vec.exists ())
     return;
   FOR_EACH_DEFINED_FUNCTION (node)
-    reset_inline_summary (node);
+    if (!node->symbol.alias)
+      reset_inline_summary (node);
   if (function_insertion_hook_holder)
     cgraph_remove_function_insertion_hook (function_insertion_hook_holder);
   function_insertion_hook_holder = NULL;

and will commit it along with the PR if that passes.