[Bug jit/69435] Truncated lines in jit.log

[dmalcolm at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69435

--- Comment #2 from David Malcolm <dmalcolm at gcc dot gnu.org> ---
Created attachment 37440
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37440&action=edit
Candidate fix

This patch appears to fix it; tested successfully with "make check-jit" and
"make check-jit -j64" on a 64-core box.