[Bug ipa/64988] [5 Regression] ICE: verify_cgraph_node failed: Alias and target's comdat groups differs with -fdeclone-ctor-dtor

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64988

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 34847
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=34847&action=edit
gcc5-pr64988.patch

Patch I've been thinking about, fixes the testcase, but doesn't survive
bootstrap - apparently it is unsafe to call get_alias_target in some cases.
Honza?