[lldb-dev] [Bug 35310] New: lldb doesn't appear to use abi_tag when resolving names

via lldb-dev lldb-dev at lists.llvm.org
Tue Nov 14 13:16:53 PST 2017


            Bug ID: 35310
           Summary: lldb doesn't appear to use abi_tag when resolving
           Product: lldb
           Version: unspecified
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: All Bugs
          Assignee: lldb-dev at lists.llvm.org
          Reporter: nelhage at nelhage.com
                CC: llvm-bugs at lists.llvm.org

Created attachment 19423
  --> https://bugs.llvm.org/attachment.cgi?id=19423&action=edit
minimal abi_tag test case for lldb

When debugging a C++ program that uses `__attribute__((abi_tag))`, lldb doesn't
seem to be able to look up symbols that have an ABI tag when evaluating
`expression` commands. This manifest most obviously when debugging code linked
against libstdc++, but we can also reproduce with a minimal example without the

-------8<-- test.cc --8<------

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