I tried recreating the problem again, successfully.  This time, I
evaluated the c-state-dump function in the comments in cc-engine.  Here
is that state data, and the file at that point:

"(setq c-state-cache '(4054 (3986 . 4048)))    (setq c-state-cache-good-pos 4055)    (setq c-state-nonlit-pos-cache 'nil)    (setq c-state-nonlit-pos-cache-limit 3497)    (setq c-state-brace-pair-desert '(3495 . 3986))    (setq c-state-point-min 1)    (setq c-state-point-min-lit-type nil)    (setq c-state-point-min-lit-start nil)    (setq c-state-min-scan-pos 1)    (setq c-state-old-cpp-beg nil)    (setq c-state-old-cpp-end nil)    "