JustinStitt wrote:
how does this all work with `-ftrivial-auto-var-init-stop-after=N`?
```c
struct S { int a, b, c, d; char buf[2000]; };
void f(void) { struct S s; int x; use(&s); use(&x); }
```
before this pr `-ftrivial-auto-var-init-stop-after=2` would mean we initialize
`s` and `x`. after this pr, `s` uses slot 1, `s.a` slot 2 and `s.{b,c,d,buf}`
and `x` are left uninitialized. is this an intentional change?
https://github.com/llvm/llvm-project/pull/229584
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