[Bug c/89520] [7/8/9 Regression] ICE tree check: accessed operand 4 of call_expr with 3 operands in convert_to_integer_1, at convert.c:668

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89520

--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 45842
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=45842&action=edit
gcc9-pr89520.patch

Untested fix.