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class_exist bool autoload should be false if __autoload function doesn't... #959

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3 changes: 2 additions & 1 deletion hphp/runtime/vm/unit.cpp
Expand Up @@ -53,6 +53,7 @@ TRACE_SET_MOD(hhbc);
static const StaticString s_stdin("STDIN");
static const StaticString s_stdout("STDOUT");
static const StaticString s_stderr("STDERR");
static const StaticString s___autoload("__autoload");

ReadOnlyArena& get_readonly_arena() {
static ReadOnlyArena arena(RuntimeOption::EvalHHBCArenaChunkSize);
Expand Down Expand Up @@ -794,10 +795,10 @@ Class* Unit::getClass(const NamedEntity* ne,
}

bool Unit::classExists(const StringData* name, bool autoload, Attr typeAttrs) {
if(!function_exists(s___autoload)){autoload=false;}
Class* cls = Unit::getClass(name, autoload);
return cls && (cls->attrs() & (AttrInterface | AttrTrait)) == typeAttrs;
}

void Unit::loadFunc(const Func *func) {
assert(!func->isMethod());
const NamedEntity *ne = func->getNamedEntity();
Expand Down