[Bug tree-optimization/59622] [4.9 Regression] internal compiler error: verify_gimple failed

[jakub at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=59622

--- Comment #15 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 31561
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=31561&action=edit
gcc49-pr59622-2.patch

So, do we want something like this?  For incompatible return type or argument
types punt, unless it is the __builtin_unreachable/__cxa_pure_virtual case
which can be handled the same, and similarly punt for inplace if the call flags
would change?