jfb added a comment.
In D77168#1984109 <https://reviews.llvm.org/D77168#1984109>, @jcai19 wrote:
> > Right, support needs to be added, and I was wondering if you'd want to do
> > this because it seems like a tool that would help you out.
>
> Sorry for the delay. Yes the biggest advantage of this option would be to
> make automating bisection much easier. Or are you suggesting we should do it
> differently, like a tool that can automatically inserts macros in the source
> code?
I suggest implementing support for this:
void use(void*);
#pragma clang attribute push ([[clang::uninitialized]], apply_to = variable)
void buggy() {
int arr[256];
int boom;
float bam;
struct { int oops; } oops;
union { int oof; float aaaaa; } oof;
use(&arr);
use(&boom);
use(&bam);
use(&oops);
use(&oof);
}
#pragma clang attribute pop
`pragma clang attribute` is already a feature, we just need to teach it about
this one attribute.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D77168/new/
https://reviews.llvm.org/D77168
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