Re: -Wuninitialized false positives and threading knobs

2021-11-02 Thread Richard Biener via Gcc
On Mon, Nov 1, 2021 at 4:18 PM Jeff Law via Gcc wrote: > > > > On 10/31/2021 6:12 AM, Aldy Hernandez wrote: > > After Jeff's explanation of the symbiosis between jump threading and > > the uninit pass, I'm beginning to see that (almost) every > > Wuninitialized warning is cause for reflection. It

Re: -Wuninitialized false positives and threading knobs

2021-11-01 Thread Jeff Law via Gcc
On 10/31/2021 6:12 AM, Aldy Hernandez wrote: After Jeff's explanation of the symbiosis between jump threading and the uninit pass, I'm beginning to see that (almost) every Wuninitialized warning is cause for reflection. It usually hides a missing jump thread. I investigated one such false po