[Bug tree-optimization/103175] [12 Regression] internal compiler error: in handle_call_arg, at tree-ssa-structalias.c:4139

[dcb314 at hotmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103175

--- Comment #6 from David Binderman <dcb314 at hotmail dot com> ---
Created attachment 51773
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51773&action=edit
gzipped C++ source code

Another test case. Flag -O1 required.