Lisa Roach <lisaroac...@gmail.com> added the comment:
I experienced this bug as well and have tried to dig into it a little.
I experimented with a service I have that uses shared libraries. If I compile
with high level of optimizations for the C++ code (-O3) I don't experience the
issue, but compiling without any optimizations I do.
I also tried with a script that does not use any shared libraries and I do not
see the issue.
Digging into it a little, when running with the optimized version I found:
gdb.lookup_type('PyUnicodeObject')
returns a gdb.TYPE_CODE_TYPEDEF, which is the correct type. Running with the
non-optimized version instead returns a gdb.TYPE_CODE_STRUCT.
The struct type errors because it has no target(), but I actually think
target() might be superfluous here.
Both versions if I only call `fields =
gdb.lookup_type('PyUnicodeObject').fields()` returns a list of fields, one of
which is named `data` for the purposes of the pep check, so target() doesn't
seem vital.
----------
nosy: +lisroach
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<https://bugs.python.org/issue35132>
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