[export] Error when constraining on static values (#101655)
Fixes https://github.com/pytorch/pytorch/issues/100415
Results in the following error:
```
Traceback (most recent call last):
File "/scratch/angelayi/work/pytorch/test/export/test_export.py", line 572, in test_export_constrain_static
export(f, example_inputs, constraints)
File "/scratch/angelayi/work/pytorch/torch/_export/__init__.py", line 348, in export
method_name_to_graph_module[compile_spec.method_name] = _export(
File "/scratch/angelayi/work/pytorch/torch/_export/__init__.py", line 119, in _export
raise UserError(UserErrorType.CONSTRAIN_VIOLATION, str(e))
torch._dynamo.exc.UserError: File "/scratch/angelayi/work/pytorch/test/export/test_export.py", line 561, in f
constrain_as_value(c, min=1, max=3)
It appears that you're trying to set a constraint on a value which we evaluated to have a static value of 3. Scroll up to see where this constraint was set.
```
Pull Request resolved: https://github.com/pytorch/pytorch/pull/101655
Approved by: https://github.com/avikchaudhuri
