On Wed, Aug 23, 2023 at 11:26:12AM -0500, Pierre-Louis Bossart wrote: > On 8/23/23 11:19, Mark Brown wrote: > > Isn't that just going to be a function of the compiler being smart > > enough to work out that there aren't overlapping uses of the two > > variables and they can share stack space? There's no reason not to help > > it figure that out. > One would think that compilers understand the variable scope, and > free-up the stack when leaving a for loop scope? Clearly it's possible, but it's the sort of thing I can imagine is left to an optimisation pass and missed sometimes for whatever reason.
Attachment:
signature.asc
Description: PGP signature
