[php-maint] Bug#535770: php-db lacking symbol table

[jidanni at jidanni.org]

>> In http://news.gmane.org/group/gmane.org.wikimedia.mediawiki/thread=31896
>> they also point out why php-db has "No symbol table info available"
                               ^^dbg.

RG> php5-dbg provides the debugging symbols, php won't be compiled
RG> with --enable-debug.

All I know is I had php-dbg installed, but still didn't get the symbol
table shown in the backtrace. The segfault must have been in some deeper
nook... but no at all hint where...