Some PyPY 3.7 support

* Handle CALL_METHOD_KW
* adjust PyPY 3.7 assert stmts
* misc administrivia

test/Makefile

@@ -72,6 +72,9 @@ check-3.7: check-bytecode
 	$(PYTHON) test_pythonlib.py --bytecode-3.7-run --verify-run
 	$(PYTHON) test_pythonlib.py --bytecode-3.7 --syntax-verify $(COMPILE)
 
+check-pypy37: check-bytecode
+	$(PYTHON) test_pythonlib.py --bytecode-pypy37 --verify-run
+
 #: Run working tests from Python 3.8
 check-3.8: check-bytecode
 	$(PYTHON) test_pythonlib.py --bytecode-3.8-run --verify-run
@@ -353,10 +356,14 @@ check-bytecode-pypy3.6: 7.1
 
 #: PyPy 5.0.x with Python 3.6.9
 check-bytecode-pypy3.6: 7.2 7.3
-7.3 7.2:
+
+7.2:
 	$(PYTHON) test_pythonlib.py --bytecode-pypy3.6-run --verify-run
 	$(PYTHON) test_pythonlib.py --bytecode-pypy3.6 --verify
 
+7.3:
+	$(PYTHON) test_pythonlib.py --bytecode-pypy3.7 --verify-run
+
 
 
 clean: clean-py-dis clean-dis clean-unverified

test/simple_source/bug_pypy37/01_callback.py

@@ -0,0 +1,10 @@
+"""This program is self-checking!"""
+
+
+def lcase(s):
+    return s.lower()
+
+
+l = ["xyz", "ABC"]
+l.sort(key=lcase)
+assert l == ["ABC", "xyz"]

test/test_pyenvlib.py

@@ -48,6 +48,7 @@ TEST_VERSIONS = (
     "pypy3.6-7.1.0",
     "pypy3.6-7.1.1",
     "pypy3.6-7.2.0",
+    "pypy3.8-7.3.7",
     "native",
 ) + tuple(python_versions)
 

test/test_pythonlib.py

@@ -116,6 +116,12 @@ for vers in (
         pythonlib = os.path.join(pythonlib, "__pycache__")
     test_options[key] = (os.path.join(lib_prefix, pythonlib), PYOC, pythonlib, vers)
 
+vers = 3.7
+bytecode = "bytecode_pypy%s_run" % vers
+key = "bytecode-pypy37"
+test_options[key] = (bytecode, PYC, bytecode, vers)
+
+
 # -----