[f0f876c141] Improve consistency in error messages.
# Enter commit message for this check-in. Lines beginning with # are ignored.
#
# user: dkf
# tags: trunk
#
# EDITED     generic/tclClock.c
# EDITED     generic/tclCmdMZ.c
# EDITED     generic/tclFCmd.c
# EDITED     generic/tclIOCmd.c
# EDITED     library/clock.tcl
# EDITED     tests/clock.test
# EDITED     tests/exec.test
# EDITED     tests/fCmd.test
# EDITED     tests/ioCmd.test
# EDITED     tests/regexp.test
# EDITED     tests/regexpComp.test
# EDITED     tests/string.test
# EDITED     tests/subst.test
# EDITED     tests/switch.test
[b47b176adf] Stop segfault when variability in mutex lock schedules cause
and ForwardingResult to remain on the forwardList after it has been
processed.
[b47b176adf] Stop possible segfaults when variability in mutex lock
schedules cause a ForwardingResult to remain on the forwardList after
it has been processed (IORChan is the origin of the code in IORTrans).
[b47b176adf] Stop possible segfaults when variability in mutex lock
schedules cause a ForwardingResult to remain on the forwardList after
it has been processed (IORChan is the origin of the code in IORTrans).
ticket [2f9df4c4fa]: tcltest - request to move -cleanup script execution until after -output compare
previous commit was not quite right, this one should be better
ticket [2f9df4c4fa]: tcltest - request to move -cleanup script execution until after -output compare
tcltest -> version 2.3.8
ticket [2f9df4c4fa]: tcltest - request to move -cleanup script execution until after -output compare. 
tcltest -> version 2.3.8
Fix execute-6.5 test failure on trunk: the "preserveCore" part of tcltest::test assumes that the cleanup is done first, so moving the cleanup means the the "preserverCore" part needs to move with it.
Fix execute-6.5 test failure on trunk: the "preserveCore" part of tcltest::test assumes that the cleanup is done first, so moving the cleanup means the the "preserverCore" part needs to move with it.
__builtin_clzll(0) is undefined.  Do not rely on it.
merge trunk