Glyn Astill <glynastill(at)yahoo(dot)co(dot)uk> writes:
> A recompile with --enable-debug, then rerunning the make check gave me the same backtrace from gdb
Did you actually give a "bt" command, or was that just the initial
output from gdb?
Another thing to try is looking around the current instruction pointer:
x/i $pc
x/32i $pc-32
regards, tom lane