Fix checking expected warnings when an exception is raised

pytest.warn and similar functions should capture warnings when an exception is raised inside a with block

changelog/9036.bugfix.rst

@@ -0,0 +1 @@
+``pytest.warns`` and similar functions now capture warnings when an exception is raised inside a ``with`` block.

src/_pytest/recwarn.py

@@ -280,8 +280,6 @@ class WarningsChecker(WarningsRecorder):
         def found_str():
             return pformat([record.message for record in self], indent=2)
 
-        # only check if we're not currently handling an exception
-        if exc_type is None and exc_val is None and exc_tb is None:
         if self.expected_warning is not None:
             if not any(issubclass(r.category, self.expected_warning) for r in self):
                 __tracebackhide__ = True

testing/test_recwarn.py

@@ -179,6 +179,7 @@ class TestDeprecatedCall:
         """
 
         def f():
+            warnings.warn(DeprecationWarning("hi"))
             raise ValueError("some exception")
 
         with pytest.raises(ValueError, match="some exception"):