debuginfo: Refactor debuginfo generation for types -- Address review comments.

1 files changed, 2 insertions, 0 deletions

diff --git a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/mod.rs b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/mod.rs
index 19f0ce54250..1eafa9501c4 100644
--- a/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/mod.rs
+++ b/compiler/rustc_codegen_llvm/src/debuginfo/metadata/enums/mod.rs
@@ -126,6 +126,8 @@ fn tag_base_type<'ll, 'tcx>(
                     // If the niche is the NULL value of a reference, then `discr_enum_ty` will be
                     // a RawPtr. CodeView doesn't know what to do with enums whose base type is a
                     // pointer so we fix this up to just be `usize`.
+                    // DWARF might be able to deal with this but with an integer type we are on
+                    // the safe side there too.
                     cx.data_layout().ptr_sized_integer()
                 }
             }