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Auto merge of #109507 - Amanieu:panic-oom-payload, r=davidtwco

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Report allocation errors as panics

OOM is now reported as a panic but with a custom payload type (`AllocErrorPanicPayload`) which holds the layout that was passed to `handle_alloc_error`.

This should be review one commit at a time:
- The first commit adds `AllocErrorPanicPayload` and changes allocation errors to always be reported as panics.
- The second commit removes `#[alloc_error_handler]` and the `alloc_error_hook` API.

ACP: https://github.com/rust-lang/libs-team/issues/192

Closes #51540
Closes #51245
This commit is contained in:
bors 2023-04-22 12:27:45 +00:00
commit 39cf520299
58 changed files with 138 additions and 878 deletions
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4
compiler/rustc_codegen_gcc/src/lib.rs
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@ -163,11 +163,11 @@ impl CodegenBackend for GccCodegenBackend {
}
impl ExtraBackendMethods for GccCodegenBackend {
fn codegen_allocator<'tcx>(&self, tcx: TyCtxt<'tcx>, module_name: &str, kind: AllocatorKind, alloc_error_handler_kind: AllocatorKind) -> Self::Module {
fn codegen_allocator<'tcx>(&self, tcx: TyCtxt<'tcx>, module_name: &str, kind: AllocatorKind) -> Self::Module {
let mut mods = GccContext {
context: Context::default(),
};
unsafe { allocator::codegen(tcx, &mut mods, module_name, kind, alloc_error_handler_kind); }
unsafe { allocator::codegen(tcx, &mut mods, module_name, kind); }
mods
}