GH-106897: Add `RERAISE` event to `sys.monitoring`. (GH-107291)

* Ensures that exception handling events are balanced. Each [re]raise event has a matching unwind/handled event.

1 files changed, 8 insertions, 1 deletions

diff --git a/Python/bytecodes.c b/Python/bytecodes.c
index 0f1e007..da9d8e2 100644
--- a/Python/bytecodes.c
+++ b/Python/bytecodes.c
@@ -720,7 +720,11 @@ dummy_func(
                 exc = args[0];
                 /* fall through */
             case 0:
-                ERROR_IF(do_raise(tstate, exc, cause), exception_unwind);
+                if (do_raise(tstate, exc, cause)) {
+                    assert(oparg == 0);
+                    monitor_reraise(tstate, frame, next_instr-1);
+                    goto exception_unwind;
+                }
                 break;
             default:
                 _PyErr_SetString(tstate, PyExc_SystemError,
@@ -1047,6 +1051,7 @@ dummy_func(
             assert(exc && PyExceptionInstance_Check(exc));
             Py_INCREF(exc);
             _PyErr_SetRaisedException(tstate, exc);
+            monitor_reraise(tstate, frame, next_instr-1);
             goto exception_unwind;
         }
 
@@ -1058,6 +1063,7 @@ dummy_func(
             else {
                 Py_INCREF(exc);
                 _PyErr_SetRaisedException(tstate, exc);
+                monitor_reraise(tstate, frame, next_instr-1);
                 goto exception_unwind;
             }
         }
@@ -1072,6 +1078,7 @@ dummy_func(
             }
             else {
                 _PyErr_SetRaisedException(tstate, Py_NewRef(exc_value));
+                monitor_reraise(tstate, frame, next_instr-1);
                 goto exception_unwind;
             }
         }