https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89864
--- Comment #77 from Iain Sandoe <iains at gcc dot gnu.org> ---
(In reply to Iain Sandoe from comment #76)
> (In reply to Jürgen Reuter from comment #75)
> > LLVM does not compile, but I
> > guess this is unrelated to the problem here:
> > [ 38%] Building CXX object
> > lib/DebugInfo/PDB/CMakeFiles/LLVMDebugInfoPDB.dir/PDBContext.cpp.o
> > In file included from
> > /Users/reuter/local/packages/llvm-project/llvm/include/llvm/DebugInfo/PDB/
> > IPDBSession.h:12,
> > from
> > /Users/reuter/local/packages/llvm-project/llvm/include/llvm/DebugInfo/PDB/
> > PDBContext.h:13,
> > from
> > /Users/reuter/local/packages/llvm-project/llvm/lib/DebugInfo/PDB/PDBContext.
> > cpp:9:
> > /Users/reuter/local/packages/llvm-project/llvm/include/llvm/DebugInfo/PDB/
> > PDBSymbol.h:20:37: error: invalid use of incomplete type 'const class
> > llvm::pdb::PDBSymbolData'
> > 20 | auto MethodName() const->decltype(RawSymbol->MethodName()) {
> > \
> > | ^~~~~~~~~
> > /Users/reuter/local/packages/llvm-project/llvm/include/llvm/DebugInfo/PDB/
> > PDBSymbolData.h:27:3: note: in expansion of macro 'FORWARD_SYMBOL_METHOD'
> > 27 | FORWARD_SYMBOL_METHOD(getAccess)
> > | ^~~~~~~~~~~~~~~~~~~~~
>
> This either a regression (since trunk GCC built LLVM ≈ 2 months ago) or it's
> a new feature exposing some other bug in LLVM - either way, you are right,
> it doesn't appear related to the current patch. I will attempt to see if
> it's repeatable on Linux,
Fails the same way on Linux - so, as noted, it's either a regression or an
improved error detection for some other issue.
