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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 27a819ebc7
commit 7033f75a49
1 changed files with 2 additions and 2 deletions
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4
src/debuginfo.rs
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@ -2,7 +2,7 @@
use rustc_codegen_ssa::mir::debuginfo::{FunctionDebugContext, VariableKind};
use rustc_codegen_ssa::traits::{DebugInfoBuilderMethods, DebugInfoMethods};
use rustc_middle::mir;
use rustc_middle::ty::{Instance, Ty};
use rustc_middle::ty::{Instance, PolyExistentialTraitRef, Ty};
use rustc_span::{SourceFile, Span, Symbol};
use rustc_target::abi::Size;
use rustc_target::abi::call::FnAbi;
@ -31,7 +31,7 @@ fn set_dbg_loc(&mut self, _dbg_loc: Self::DILocation) {
}
impl<'gcc, 'tcx> DebugInfoMethods<'tcx> for CodegenCx<'gcc, 'tcx> {
fn create_vtable_metadata(&self, _ty: Ty<'tcx>, _vtable: Self::Value) {
fn create_vtable_metadata(&self, _ty: Ty<'tcx>, _trait_ref: Option<PolyExistentialTraitRef<'tcx>>, _vtable: Self::Value) {
// TODO(antoyo)
}