Re: Random panic in load_balance() with 3.16-rc

Jakub Jelinek
2014-07-29T08:59:37Z

On Mon, Jul 28, 2014 at 08:09:02PM +0200, Markus Trippelsdorf wrote:
> Here's the testcase:
>
> int a, b, c;
> void fn1 ()
> {
> int d;
> if (fn2 () && !0)
> {
> b = (
> {
> int e;
> fn3 ();
> switch (0)
> default:
> asm volatile("" : "=a"(e) : "0"(a), "i"(0));
> e;
> });
> d = b;
> }
> c = d;
> }

int a, c;
int bar (void);
void baz (void);

void
foo (void)
{
int d;
if (bar ())
{
int e;
baz ();
asm volatile ("" : "=a" (e) : "0" (a), "i" (0));
d = e;
}
c = d;
}

fails the same way and has more creduce cruft removed.
Fails also with 4.7 at -O2 -fcompare-debug.

Jakub