rupprecht added a comment. In D102993#2811902 <https://reviews.llvm.org/D102993#2811902>, @rupprecht wrote:
> In D102993#2811337 <https://reviews.llvm.org/D102993#2811337>, @teemperor > wrote: > >> Sure I can take a look, but I don't see the immediate problem when looking >> at the backtrace. >> >> I assume it takes some time to reduce the bug in Chrome? If you could get me >> the `dump()` output for the Decls `D`, `(Decl*)ToDC`, `FromRD`, `ToD`, >> `(Decl*)ToD->getLexicalDeclContext()` and whether the left or the right side >> of the `&&` is true/false then maybe it becomes more obvious what's going >> wrong here. > > This is probably not going to be useful: > > - `D->dump()`: `FieldDecl 0x169993f9fbd0 <<invalid sloc>> <invalid sloc> __r_ > 'std::__compressed_pair<std::basic_string<char, std::char_traits<char>, > std::allocator<char> >::__rep, std::allocator<char> >'` > - `((Decl*)ToDC)->dump()` - prints: > > a decl that inherits DeclContext isn't handled > UNREACHABLE executed at llvm-project/clang/lib/AST/DeclBase.cpp:928! `ToDC->getDeclKindName()` is "ClassTemplateSpecialization". Does that explain the unreachable error message? Maybe it needs a special case somewhere? > - `FromRD->dump()` prints something waaaay to long to include here :) > > ClassTemplateSpecializationDecl 0x169983fc2b98 <<invalid sloc>> <invalid > sloc> class basic_string definition > |-DefinitionData standard_layout has_user_declared_ctor > can_const_default_init > | |-DefaultConstructor exists non_trivial user_provided > | |-CopyConstructor non_trivial user_declared has_const_param > needs_overload_resolution implicit_has_const_param > | |-MoveConstructor exists non_trivial user_declared > | |-CopyAssignment non_trivial has_const_param user_declared > needs_overload_resolution implicit_has_const_param > | |-MoveAssignment exists non_trivial user_declared > | `-Destructor non_trivial user_declared > |-private 'std::__basic_string_common<true>' > |-TemplateArgument type 'char' > | `-BuiltinType 0x1695c0305860 'char' > ... > > > > - `((Decl*)ToD)->getLexicalDeclContext()` errors: `error: Execution was > interrupted, reason: signal SIGSEGV: address access protected (fault address: > 0x55e264000000).` (ToD is nonnull: 0x00001699897a5e00) > > I'm running out of time today & I'm off tomorrow, but I should be able to > post something on Monday. I have a suspicion it's dependent on whatever flags > chrome is building with, so I'll try to figure that out too. Repository: rG LLVM Github Monorepo CHANGES SINCE LAST ACTION https://reviews.llvm.org/D102993/new/ https://reviews.llvm.org/D102993 _______________________________________________ lldb-commits mailing list lldb-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/lldb-commits
