Mark Jamsek:

> Updated diff checks the buffer for the terminating newline--not the
> line returned from getline(3). This fixes an OOB read in the previous
> diff.

It also fixes my original problem.  I rebased the llvm18 branch in
my repository and the GCNRegPressure.cpp file survived unscathed.
Thank you!

-- 
Christian "naddy" Weisgerber                          naddy@mips.inka.de