[PATCH] TRACING: Fix a copmile warning

[Steven Rostedt]

On Mon, 2011-07-25 at 21:08 -0400, Arnaud Lacombe wrote:
> Hi,
> 

> but the code generated seem to test %esi (`b', potentially
> uninitialized) before %ebx (`a'). Am I still missing something ?

But it tests 'a' again afterward. If 'a' is 0, it doesn't matter what
'b' was. So the uninitialized test is a wash. No harm done, except for
some wasted CPU cycles.

-- Steve