Volatile bug in unmaintained GCC 436 and 447

2012-07-12 Thread Paulo J. Matos
Hello, As far as I know 4.3 and 4.4 are no longer maintained and 4.3.6 and 4.4.7 were the last of their respective lines however if someone is kind enough to look at the following, I would be extremely grateful. I found a bug in 4.3.6 and 4.4.7 fixed in 4.5.0 but I am having a hard time pinpo

Re: Volatile bug in unmaintained GCC 436 and 447

2012-07-12 Thread Richard Guenther
On Thu, Jul 12, 2012 at 12:52 PM, Paulo J. Matos wrote: > Hello, > > As far as I know 4.3 and 4.4 are no longer maintained and 4.3.6 and 4.4.7 > were the last of their respective lines however if someone is kind enough to > look at the following, I would be extremely grateful. I found a bug in 4.3

Re: Volatile bug in unmaintained GCC 436 and 447

2012-07-12 Thread Paulo J. Matos
On 12/07/12 12:19, Richard Guenther wrote: Look into the tree dumps and look where the ={v} disappears. That will point to the pass that breaks it and eventually help track down the fixing patch. Thanks for the tip Richard. Tracked it down to PHI prop pass in tree-ssa-phiprop.c, not yet wha