Re: [PATCH] reassoc vs uninitialized variable {PR112581]

2024-01-10 Thread Richard Biener
On Sat, Dec 23, 2023 at 7:35 PM Andrew Pinski wrote: > > Like r14-2293-g11350734240dba and r14-2289-gb083203f053f16, > reassociation can combine across a few bb and one of the usage > can be an uninitializated variable and if going from an conditional > usage to an unconditional usage can cause wr

[PATCH] reassoc vs uninitialized variable {PR112581]

2023-12-23 Thread Andrew Pinski
Like r14-2293-g11350734240dba and r14-2289-gb083203f053f16, reassociation can combine across a few bb and one of the usage can be an uninitializated variable and if going from an conditional usage to an unconditional usage can cause wrong code. This uses maybe_undef_p like other passes where this c