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authorMatthias Krüger <matthias.krueger@famsik.de>2024-08-31 14:46:14 +0200
committerGitHub <noreply@github.com>2024-08-31 14:46:14 +0200
commit830b1deaeec6bff881c4a969ee1e5ddb1c156a0a (patch)
tree3786c5de1594f23563dbc6e1755aacdd5b351140 /compiler/rustc_codegen_llvm/src
parent5a61a7b904e1ca1b1335ae6076267a6dde64e1b9 (diff)
parentd0aedfbb900309bb633b3ba04bf008183cfdd9a7 (diff)
downloadrust-830b1deaeec6bff881c4a969ee1e5ddb1c156a0a.tar.gz
rust-830b1deaeec6bff881c4a969ee1e5ddb1c156a0a.zip
Rollup merge of #129812 - RalfJung:box-custom-alloc, r=compiler-errors
interpret, codegen: tweak some comments and checks regarding Box with custom allocator

Cc https://github.com/rust-lang/rust/issues/95453
Diffstat (limited to 'compiler/rustc_codegen_llvm/src')
-rw-r--r--compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs2
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
index dc59e9349b0..17a9630c655 100644
--- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
+++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata.rs
@@ -216,6 +216,8 @@ fn build_pointer_or_reference_di_node<'ll, 'tcx>(
                     //        need to make sure that we don't break existing debuginfo consumers
                     //        by doing that (at least not without a warning period).
                     let layout_type = if ptr_type.is_box() {
+                        // The assertion at the start of this function ensures we have a ZST allocator.
+                        // We'll make debuginfo "skip" all ZST allocators, not just the default allocator.
                         Ty::new_mut_ptr(cx.tcx, pointee_type)
                     } else {
                         ptr_type