merrymercy opened a new pull request #5933:
URL: https://github.com/apache/incubator-tvm/pull/5933
During autotvm task extraction, the following error occurred.
```
Extract tasks...
Exception in thread Thread-1:
Traceback (most recent call last):
File
"/home/ubuntu/incubator-tvm/python/tvm/autotvm/task/relay_integration.py", line
58, in _lower
grc.codegen(opt_mod["main"])
File
"/home/ubuntu/incubator-tvm/python/tvm/relay/backend/graph_runtime_codegen.py",
line 88, in codegen
arr = self._get_param_by_name(key)
File "/home/ubuntu/incubator-tvm/python/tvm/_ffi/_ctypes/packed_func.py",
line 225, in __call__
raise get_last_ffi_error()
tvm._ffi.base.TVMError: Traceback (most recent call last):
[bt] (3) /home/ubuntu/incubator-tvm/build/libtvm.so(TVMFuncCall+0x65)
[0x7fba4b96bac5]
[bt] (2)
/home/ubuntu/incubator-tvm/build/libtvm.so(std::_Function_handler<void
(tvm::runtime::TVMArgs, tvm::runtime::TVMRetValue*),
tvm::relay::backend::GraphRuntimeCodegenModule::GetFunction(std::__cxx11::basic_string<char,
std::cha
r_traits<char>, std::allocator<char> > const&,
tvm::runtime::ObjectPtr<tvm::runtime::Object>
const&)::{lambda(tvm::runtime::TVMArgs,
tvm::runtime::TVMRetValue*)#5}>::_M_invoke(std::_Any_data const&,
tvm::runtime::TVMArgs&&, tvm::runtime
::TVMRetValue*&&)+0x67) [0x7fba4b803b77]
[bt] (1)
/home/ubuntu/incubator-tvm/build/libtvm.so(tvm::runtime::TVMArgValue::operator
std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char>
>[abi:cxx11]() const+0x13c) [0x7fba4af6c52c]
[bt] (0) /home/ubuntu/incubator-tvm/build/libtvm.so(+0x3ea6e2)
[0x7fba4af636e2]
File "/home/ubuntu/incubator-tvm/include/tvm/runtime/packed_func.h", line
491
TVMError: Check failed: type_code_ == kTVMStr (8 vs. 11) : expected str but
get Object
```
This was introduced by the recent std::string->String update.
Should we allow implicit conversion here?
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