GH-118093: Make CALL_ALLOC_AND_ENTER_INIT suitable for tier 2.

[markshannon]

This PR:
1 Breaks CALL_ALLOC_AND_ENTER_INIT into micro-ops, so that it can be included in tier 2 traces
2 Relaxes the requirement exact arguments, so that more calls to Python classes are inlined.
3 Passes the previous frame to the various PyInterpreterFrame creation functions.

(3) above seems more logical than setting the previous field separately, and is necessary to break up CALL_ALLOC_AND_ENTER_INIT as it pushes two frames.

• Issue: Increase fraction of code executed by tier 2. #118093

[markshannon]

Stats show a small increase in tier 2 uops executed and the elimination of CALL_ALLOC_AND_ENTER_INIT as a reason to abandon projecting traces.

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot AMD64 RHEL8 Refleaks 3.x has failed when building commit bb1d303.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/#/builders/259/builds/1225) and take a look at the build logs.
4. Check if the failure is related to this commit (bb1d303) or if it is a false positive.
5. If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/#/builders/259/builds/1225

Failed tests:

• test_dataclasses

Summary of the results of the build (if available):

==

Click to see traceback logs

remote: Enumerating objects: 30, done. remote: Counting objects: 3% (1/30) remote: Counting objects: 6% (2/30) remote: Counting objects: 10% (3/30) remote: Counting objects: 13% (4/30) remote: Counting objects: 16% (5/30) remote: Counting objects: 20% (6/30) remote: Counting objects: 23% (7/30) remote: Counting objects: 26% (8/30) remote: Counting objects: 30% (9/30) remote: Counting objects: 33% (10/30) remote: Counting objects: 36% (11/30) remote: Counting objects: 40% (12/30) remote: Counting objects: 43% (13/30) remote: Counting objects: 46% (14/30) remote: Counting objects: 50% (15/30) remote: Counting objects: 53% (16/30) remote: Counting objects: 56% (17/30) remote: Counting objects: 60% (18/30) remote: Counting objects: 63% (19/30) remote: Counting objects: 66% (20/30) remote: Counting objects: 70% (21/30) remote: Counting objects: 73% (22/30) remote: Counting objects: 76% (23/30) remote: Counting objects: 80% (24/30) remote: Counting objects: 83% (25/30) remote: Counting objects: 86% (26/30) remote: Counting objects: 90% (27/30) remote: Counting objects: 93% (28/30) remote: Counting objects: 96% (29/30) remote: Counting objects: 100% (30/30) remote: Counting objects: 100% (30/30), done. remote: Compressing objects: 3% (1/30) remote: Compressing objects: 6% (2/30) remote: Compressing objects: 10% (3/30) remote: Compressing objects: 13% (4/30) remote: Compressing objects: 16% (5/30) remote: Compressing objects: 20% (6/30) remote: Compressing objects: 23% (7/30) remote: Compressing objects: 26% (8/30) remote: Compressing objects: 30% (9/30) remote: Compressing objects: 33% (10/30) remote: Compressing objects: 36% (11/30) remote: Compressing objects: 40% (12/30) remote: Compressing objects: 43% (13/30) remote: Compressing objects: 46% (14/30) remote: Compressing objects: 50% (15/30) remote: Compressing objects: 53% (16/30) remote: Compressing objects: 56% (17/30) remote: Compressing objects: 60% (18/30) remote: Compressing objects: 63% (19/30) remote: Compressing objects: 66% (20/30) remote: Compressing objects: 70% (21/30) remote: Compressing objects: 73% (22/30) remote: Compressing objects: 76% (23/30) remote: Compressing objects: 80% (24/30) remote: Compressing objects: 83% (25/30) remote: Compressing objects: 86% (26/30) remote: Compressing objects: 90% (27/30) remote: Compressing objects: 93% (28/30) remote: Compressing objects: 96% (29/30) remote: Compressing objects: 100% (30/30) remote: Compressing objects: 100% (30/30), done. remote: Total 30 (delta 4), reused 4 (delta 0), pack-reused 0 (from 0)  From https://github.com/python/cpython * branch main -> FETCH_HEAD Note: switching to 'bb1d30336e83837d4191a016107fd501cd230328'. You are in 'detached HEAD' state. You can look around, make experimental changes and commit them, and you can discard any commits you make in this state without impacting any branches by switching back to a branch. If you want to create a new branch to retain commits you create, you may do so (now or later) by using -c with the switch command. Example: git switch -c <new-branch-name> Or undo this operation with: git switch - Turn off this advice by setting config variable advice.detachedHead to false HEAD is now at bb1d30336e8 GH-118093: Make `CALL_ALLOC_AND_ENTER_INIT` suitable for tier 2. (GH-123140) Switched to and reset branch 'main' configure: WARNING: no system libmpdecimal found; falling back to bundled libmpdecimal (deprecated and scheduled for removal in Python 3.15)make: *** [Makefile:2304: buildbottest] Error 2

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot s390x RHEL9 Refleaks 3.x has failed when building commit bb1d303.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/#/builders/1589/builds/26) and take a look at the build logs.
4. Check if the failure is related to this commit (bb1d303) or if it is a false positive.
5. If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/#/builders/1589/builds/26

Failed tests:

• test_dataclasses

Summary of the results of the build (if available):

==

Click to see traceback logs

remote: Enumerating objects: 30, done. remote: Counting objects: 3% (1/30) remote: Counting objects: 6% (2/30) remote: Counting objects: 10% (3/30) remote: Counting objects: 13% (4/30) remote: Counting objects: 16% (5/30) remote: Counting objects: 20% (6/30) remote: Counting objects: 23% (7/30) remote: Counting objects: 26% (8/30) remote: Counting objects: 30% (9/30) remote: Counting objects: 33% (10/30) remote: Counting objects: 36% (11/30) remote: Counting objects: 40% (12/30) remote: Counting objects: 43% (13/30) remote: Counting objects: 46% (14/30) remote: Counting objects: 50% (15/30) remote: Counting objects: 53% (16/30) remote: Counting objects: 56% (17/30) remote: Counting objects: 60% (18/30) remote: Counting objects: 63% (19/30) remote: Counting objects: 66% (20/30) remote: Counting objects: 70% (21/30) remote: Counting objects: 73% (22/30) remote: Counting objects: 76% (23/30) remote: Counting objects: 80% (24/30) remote: Counting objects: 83% (25/30) remote: Counting objects: 86% (26/30) remote: Counting objects: 90% (27/30) remote: Counting objects: 93% (28/30) remote: Counting objects: 96% (29/30) remote: Counting objects: 100% (30/30) remote: Counting objects: 100% (30/30), done. remote: Compressing objects: 3% (1/30) remote: Compressing objects: 6% (2/30) remote: Compressing objects: 10% (3/30) remote: Compressing objects: 13% (4/30) remote: Compressing objects: 16% (5/30) remote: Compressing objects: 20% (6/30) remote: Compressing objects: 23% (7/30) remote: Compressing objects: 26% (8/30) remote: Compressing objects: 30% (9/30) remote: Compressing objects: 33% (10/30) remote: Compressing objects: 36% (11/30) remote: Compressing objects: 40% (12/30) remote: Compressing objects: 43% (13/30) remote: Compressing objects: 46% (14/30) remote: Compressing objects: 50% (15/30) remote: Compressing objects: 53% (16/30) remote: Compressing objects: 56% (17/30) remote: Compressing objects: 60% (18/30) remote: Compressing objects: 63% (19/30) remote: Compressing objects: 66% (20/30) remote: Compressing objects: 70% (21/30) remote: Compressing objects: 73% (22/30) remote: Compressing objects: 76% (23/30) remote: Compressing objects: 80% (24/30) remote: Compressing objects: 83% (25/30) remote: Compressing objects: 86% (26/30) remote: Compressing objects: 90% (27/30) remote: Compressing objects: 93% (28/30) remote: Compressing objects: 96% (29/30) remote: Compressing objects: 100% (30/30) remote: Compressing objects: 100% (30/30), done. remote: Total 30 (delta 4), reused 4 (delta 0), pack-reused 0 (from 0)  From https://github.com/python/cpython * branch main -> FETCH_HEAD Note: switching to 'bb1d30336e83837d4191a016107fd501cd230328'. You are in 'detached HEAD' state. You can look around, make experimental changes and commit them, and you can discard any commits you make in this state without impacting any branches by switching back to a branch. If you want to create a new branch to retain commits you create, you may do so (now or later) by using -c with the switch command. Example: git switch -c <new-branch-name> Or undo this operation with: git switch - Turn off this advice by setting config variable advice.detachedHead to false HEAD is now at bb1d30336e8 GH-118093: Make `CALL_ALLOC_AND_ENTER_INIT` suitable for tier 2. (GH-123140) Switched to and reset branch 'main' configure: WARNING: no system libmpdecimal found; falling back to bundled libmpdecimal (deprecated and scheduled for removal in Python 3.15)./Modules/blake2module.c: In function ‘type_to_impl’: ./Modules/blake2module.c:314:18: warning: unused variable ‘st’ [-Wunused-variable] 314 | Blake2State* st = blake2_get_state_from_type(type); |^~make: *** [Makefile:2300: buildbottest] Error 2

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot s390x Fedora Refleaks 3.x has failed when building commit bb1d303.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/#/builders/433/builds/1225) and take a look at the build logs.
4. Check if the failure is related to this commit (bb1d303) or if it is a false positive.
5. If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/#/builders/433/builds/1225

Failed tests:

• test_dataclasses

Summary of the results of the build (if available):

==

Click to see traceback logs

remote: Enumerating objects: 30, done. remote: Counting objects: 3% (1/30) remote: Counting objects: 6% (2/30) remote: Counting objects: 10% (3/30) remote: Counting objects: 13% (4/30) remote: Counting objects: 16% (5/30) remote: Counting objects: 20% (6/30) remote: Counting objects: 23% (7/30) remote: Counting objects: 26% (8/30) remote: Counting objects: 30% (9/30) remote: Counting objects: 33% (10/30) remote: Counting objects: 36% (11/30) remote: Counting objects: 40% (12/30) remote: Counting objects: 43% (13/30) remote: Counting objects: 46% (14/30) remote: Counting objects: 50% (15/30) remote: Counting objects: 53% (16/30) remote: Counting objects: 56% (17/30) remote: Counting objects: 60% (18/30) remote: Counting objects: 63% (19/30) remote: Counting objects: 66% (20/30) remote: Counting objects: 70% (21/30) remote: Counting objects: 73% (22/30) remote: Counting objects: 76% (23/30) remote: Counting objects: 80% (24/30) remote: Counting objects: 83% (25/30) remote: Counting objects: 86% (26/30) remote: Counting objects: 90% (27/30) remote: Counting objects: 93% (28/30) remote: Counting objects: 96% (29/30) remote: Counting objects: 100% (30/30) remote: Counting objects: 100% (30/30), done. remote: Compressing objects: 3% (1/30) remote: Compressing objects: 6% (2/30) remote: Compressing objects: 10% (3/30) remote: Compressing objects: 13% (4/30) remote: Compressing objects: 16% (5/30) remote: Compressing objects: 20% (6/30) remote: Compressing objects: 23% (7/30) remote: Compressing objects: 26% (8/30) remote: Compressing objects: 30% (9/30) remote: Compressing objects: 33% (10/30) remote: Compressing objects: 36% (11/30) remote: Compressing objects: 40% (12/30) remote: Compressing objects: 43% (13/30) remote: Compressing objects: 46% (14/30) remote: Compressing objects: 50% (15/30) remote: Compressing objects: 53% (16/30) remote: Compressing objects: 56% (17/30) remote: Compressing objects: 60% (18/30) remote: Compressing objects: 63% (19/30) remote: Compressing objects: 66% (20/30) remote: Compressing objects: 70% (21/30) remote: Compressing objects: 73% (22/30) remote: Compressing objects: 76% (23/30) remote: Compressing objects: 80% (24/30) remote: Compressing objects: 83% (25/30) remote: Compressing objects: 86% (26/30) remote: Compressing objects: 90% (27/30) remote: Compressing objects: 93% (28/30) remote: Compressing objects: 96% (29/30) remote: Compressing objects: 100% (30/30) remote: Compressing objects: 100% (30/30), done. remote: Total 30 (delta 4), reused 4 (delta 0), pack-reused 0 (from 0)  From https://github.com/python/cpython * branch main -> FETCH_HEAD Note: switching to 'bb1d30336e83837d4191a016107fd501cd230328'. You are in 'detached HEAD' state. You can look around, make experimental changes and commit them, and you can discard any commits you make in this state without impacting any branches by switching back to a branch. If you want to create a new branch to retain commits you create, you may do so (now or later) by using -c with the switch command. Example: git switch -c <new-branch-name> Or undo this operation with: git switch - Turn off this advice by setting config variable advice.detachedHead to false HEAD is now at bb1d30336e8 GH-118093: Make `CALL_ALLOC_AND_ENTER_INIT` suitable for tier 2. (GH-123140) Switched to and reset branch 'main' configure: WARNING: no system libmpdecimal found; falling back to bundled libmpdecimal (deprecated and scheduled for removal in Python 3.15)./Modules/blake2module.c: In function ‘type_to_impl’: ./Modules/blake2module.c:314:18: warning: unused variable ‘st’ [-Wunused-variable] 314 | Blake2State* st = blake2_get_state_from_type(type); |^~make: *** [Makefile:2302: buildbottest] Error 2

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot s390x RHEL8 Refleaks 3.x has failed when building commit bb1d303.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/#/builders/75/builds/1228) and take a look at the build logs.
4. Check if the failure is related to this commit (bb1d303) or if it is a false positive.
5. If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/#/builders/75/builds/1228

Failed tests:

• test_dataclasses

Failed subtests:

• test_address - test.test_socket.CreateServerTest.test_address

Summary of the results of the build (if available):

==

Click to see traceback logs

Traceback (most recent call last): File "/home/dje/cpython-buildarea/3.x.edelsohn-rhel8-z.refleak/build/Lib/test/test_socket.py", line 6861, in test_addresswith socket.create_server(("::1", port), ~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^ family=socket.AF_INET6) as sock: ^^^^^^^^^^^^^^^^^^^^^^^ File "/home/dje/cpython-buildarea/3.x.edelsohn-rhel8-z.refleak/build/Lib/socket.py", line 947, in create_serverraise error(err.errno, msg) fromNoneOSError: [Errno 98] Address already in use (while attempting to bind on address ('::1', 54943))

[bedevere-bot]

⚠️⚠️⚠️ Buildbot failure ⚠️⚠️⚠️

Hi! The buildbot AMD64 Fedora Stable Refleaks 3.x has failed when building commit bb1d303.

What do you need to do:

1. Don't panic.
2. Check the buildbot page in the devguide if you don't know what the buildbots are or how they work.
3. Go to the page of the buildbot that failed (https://buildbot.python.org/#/builders/320/builds/1180) and take a look at the build logs.
4. Check if the failure is related to this commit (bb1d303) or if it is a false positive.
5. If the failure is related to this commit, please, reflect that on the issue and make a new Pull Request with a fix.

You can take a look at the buildbot page here:

https://buildbot.python.org/#/builders/320/builds/1180

Failed tests:

• test_dataclasses
• test_glob

Failed subtests:

• test_selflink - test.test_glob.SymlinkLoopGlobTests.test_selflink

Summary of the results of the build (if available):

==

Click to see traceback logs

Traceback (most recent call last): File "/home/buildbot/buildarea/3.x.cstratak-fedora-stable-x86_64.refleak/build/Lib/test/test_glob.py", line 543, in test_selflinkself.assertIn(path, results) ~~~~~~~~~~~~~^^^^^^^^^^^^^^^ AssertionError: 'dir/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/file' not found in{'dir/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/file', 'dir/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/file', 'dir/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/file', 'dir/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/file', 'dir/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/link/file'} 

[encukou]

As @Eclips4 wrote in #123185, this made code like this crash:

classFoo: def__init__(self, arg): passfor_inrange(2): try: Foo() except: pass