KDE stopped working after -current upgrade

[Mikhail Teterin]

> Could also be my CFLAGS, of course:
> 
> 	-O -march=pentium2 -pipe  -fbuiltin  \
> 	-fstrength-reduce -fthread-jumps -funroll-loops  \
> 	-fcse-follow-jumps -fcse-skip-blocks \
> 	-frerun-cse-after-loop  -fexpensive-optimizations \
> 	-fschedule-insns  -fschedule-insns2

No. I just rebuilt/reinstalled src/lib/libthr with simple -O and tried
to use it -- same crash of KDE... Looks like a genuine regression since
November.

	-mi