[Bug c/48070] Target application fails when compiled with optimizations

[zsojka at seznam dot cz]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48070

--- Comment #3 from Zdenek Sojka <zsojka at seznam dot cz> 2011-03-11 09:44:15 UTC ---
(In reply to comment #2)
> This is likely an unintelligent question, but does that output from valgrind
> seem to indicate a code error or a compiler error?

It can be either (in all cases, compiler error is very unlikely), but it gives
a clue where you should have a look.

Simple patch:
    struct Ray reflected;
+   reflected.shadowRay = 0;
    vector_copy( &hit->worldHit, &reflected.origin );
fixes the problem for me.