tree ce029710700aeaa3722496ded90c2fc04ab3481f
parent 823453caedeb3c7c92a8c10a6cdfccdc0b074f3c
author Barret Rhoden <brho@cs.berkeley.edu> 1554319275 -0400
committer Barret Rhoden <brho@cs.berkeley.edu> 1554319439 -0400

Clean up and clarify slim_setjmp() / waserror()

Any time you use a variable inside a waserror() block that has been
written since the waserror() / setjmp(), that variable must be marked
volatile.

The bool err; in slim_setjmp served little purpose, other than
confusion.

Signed-off-by: Barret Rhoden <brho@cs.berkeley.edu>