[Lldb-commits] [PATCH] D145803: [clang][DebugInfo] Emit DW_AT_type of preferred name if available

[David Blaikie via Phabricator via lldb-commits]

dblaikie added inline comments.


================
Comment at: clang/test/CodeGen/preferred_name.cpp:49
+
+    Foo<Foo<int>> varFooInt;
+
----------------
Michael137 wrote:
> probinson wrote:
> > This doesn't become `Foo<BarInt>` ?
> The name stays as `Foo<Foo<int>>` but the type of the template parameter becomes `BarInt`. So the dwarf would look like:
> ```
> DW_TAG_structure_type
>   DW_AT_name      ("Foo<Foo<int> >")
> 
>   DW_TAG_template_type_parameter
>     DW_AT_type    (0x00000095 "BarInt")
>     DW_AT_name    ("T")
> 
> ```
> Will add the parameter metadata to the test
Hmm, that seems buggy - why doesn't `Foo<Foo<int> >` become `Foo<BarInt>`? (is the preferred name ever used in the DW_AT_name? I'd have thought it should be unless it's explicitly avoided to ensure type compatibility/collapsing with debug info built without this feature enabled?)


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D145803/new/

https://reviews.llvm.org/D145803