On Tue, 2023-08-29 at 17:15 +0200, Guillaume Gomez wrote: > We finished the investigation and found out the issue: when passing > arguments by value to functions, rustc still provides "NoAlias" as > attribute to the argument whereas it should never be passed in this > case. Luckily for us, in case the argument is a function pointer > coming from a struct field, it crashes GCC, which is what allowed us > to figure out about this. A code which reproduces this bug:
[...snip...] > So in short: the patch in the previous mail which added this check: > > ``` > RETURN_NULL_IF_FAIL (type->is_pointer (), NULL, NULL, "not a pointer > type"); > ``` > > is correct and ready. Thanks. I've gone ahead and pushed it to gcc trunk for you as r14- 3552-g29763b002459cb. [...snip...] Dave
