[Bug middle-end/71626] [4.9/5/6/7 regression] ICE at -O1 and above on x86_64-linux-gnu (in output_constant_pool_2, at varasm.c:3837)

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71626

--- Comment #3 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 38773
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38773&action=edit
gcc7-pr71626.patch

Untested fix.