The following bug has been logged online:
Bug reference: 5590
Logged by: John Regehr
Email address: regehr(at)cs(dot)utah(dot)edu
PostgreSQL version: head 8/2/10
Operating system: OSX
Description: undefined shift behavior
Details:
During a "make check" the left-shift operator at tsquery_util.c 48:18 is
passed a negative right-hand argument a number of times.