[Bug libstdc++/87858] Building old multilib bootstrap GCC: stage1 32-bit libstdc++ fails to build after building 64-bit libstdc++

[mkrupcale at matthewkrupcale dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87858

--- Comment #1 from Matthew Krupcale <mkrupcale at matthewkrupcale dot com> ---
Created attachment 44945
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44945&action=edit
analogous patch for GCC 8.2 potentially allowing future GCC to build GCC 8.2
(untested)