[Bug target/70633] [5/6 Regression] ICE on valid code at -Os (in 32-bit mode) on x86_64-linux-gnu: output_operand: invalid expression as operand

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70633

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 38246
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38246&action=edit
gcc6-pr70633.patch

Untested fix.  This works for me, but Richard, if you have a different patch
already in testing or if you think this is bad approach, I'll leave it to you.