Python 3.10 doesn't compile statments after unconditional jumps.

This includes break/continue/return/raise.

1 files changed, 7 insertions, 0 deletions

diff --git a/coverage/env.py b/coverage/env.py
index 80153ecf..5c612413 100644
--- a/coverage/env.py
+++ b/coverage/env.py
@@ -85,6 +85,13 @@ class PYBEHAVIOR(object):
     # Python 3.9a1 made sys.argv[0] and other reported files absolute paths.
     report_absolute_files = (PYVERSION >= (3, 9))
 
+    # Lines after break/continue/return/raise are no longer compiled into the
+    # bytecode.  They used to be marked as missing, now they aren't executable.
+    omit_after_jump = pep626
+
+    # PyPy has always omitted statements after return.
+    omit_after_return = omit_after_jump or PYPY
+
 # Coverage.py specifics.
 
 # Are we using the C-implemented trace function?