The execFile function is declared as taking bool, bool and int params:

Scope::execFile(const string& filename, bool printResult, bool reportError,
int timeoutMs)

but in the following places called with three boolean arguments:
shell/dbshell.cpp:932: scope->execFile( files[i] , false , true, false)
scripting/engine_spidermonkey.cpp:1805: s->execFile( filename, false, true, false)
scripting/engine_v8.cpp:607: scope->execFile(filename, false, true, false)