On Thu, 2009-10-01 at 12:33 +0200, Alexandre Julliard wrote: > Peter Dons Tychsen <donpe...@tdcadsl.dk> writes: > > > Just out of interest: You changed this to a write. Fine. > > But why the volatile? Can GCC assume predetermined results when writing > > to NULL? I don't see any reason to use volatile unless someone else is > > also read/writing from NULL (which is impossible). It might just > > generate more code in some cases. > > It's just to make sure no compiler tries to be too smart. For a single > access it probably doesn't make a difference; it could change if for > instance we try to trigger a second crash and the compiler optimizes out > the first write. >
Ah,OK. Thanks for the info. /pedro
