bjoernager/rust
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Create more accurate debuginfo for vtables.

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Before this commit all vtables would have the same name "vtable" in
debuginfo. Now they get a name that identifies the implementing type
and the trait that is being implemented.
This commit is contained in:
Michael Woerister 2021-10-06 14:26:50 +02:00
parent a4797664ba
commit 61c5a6d644
8 changed files with 163 additions and 62 deletions
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2
compiler/rustc_codegen_ssa/src/meth.rs
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@ -78,7 +78,7 @@ pub fn get_vtable<'tcx, Cx: CodegenMethods<'tcx>>(
let align = cx.data_layout().pointer_align.abi;
let vtable = cx.static_addr_of(vtable_const, align, Some("vtable"));
cx.create_vtable_metadata(ty, vtable);
cx.create_vtable_metadata(ty, trait_ref, vtable);
cx.vtables().borrow_mut().insert((ty, trait_ref), vtable);
vtable
}