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test_manual_unwind_respects_frame_pointers fails on x86_64 Fedora Linux with enabled JIT (yes-off) #144741

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testsTests in the Lib/test dirtopic-JITtype-bugAn unexpected behavior, bug, or error
@befeleme

Description

@befeleme

Bug report

Bug description:

We build Python on x86_64 and aarch64 with--enable-experimental-jit=yes-off. The newly added test passes for aarch64 but doesn't for x86_64, with the following traceback.
For completeness, the CFLAGS we build with are:

CFLAGS=' -flto=auto -ffat-lto-objects -fexceptions -g -grecord-gcc-switches -pipe -Wall -Wno-complain-wrong-lang -Werror=format-security -Wp,-U_FORTIFY_SOURCE,-D_FORTIFY_SOURCE=3 -Wp,-D_GLIBCXX_ASSERTIONS -specs=/usr/lib/rpm/redhat/redhat-hardened-cc1 -fstack-protector-strong -specs=/usr/lib/rpm/redhat/redhat-annobin-cc1  -m64 -march=x86-64 -mtune=generic -fasynchronous-unwind-tables -fstack-clash-protection -fcf-protection -mtls-dialect=gnu2 -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer'

I am unable to reproduce this outside of the rpm build context yet, but I'm happy to test any ideas.

Full traceback:

Re-running test_frame_pointer_unwind in verbose mode (matching: test_manual_unwind_respects_frame_pointers)test_manual_unwind_respects_frame_pointers (test.test_frame_pointer_unwind.FramePointerUnwindTests.test_manual_unwind_respects_frame_pointers) ... #00 0x7f8763378fda -> other#01 0x7f87632eeac7 -> other#02 0x7f87632efb77 -> other#03 0x7f87634ddd3c -> other#04 0x7f87634e6604 -> other#05 0x7f87634da121 -> other#06 0x7f876351552d -> other#07 0x7f87632eff85 -> other#08 0x7f87632eeac7 -> other#09 0x7f87632efb77 -> other#10 0x7f8763852186 -> other#11 0x7f87634de1f1 -> other#12 0x7f87634e8cdc -> other#13 0x7f87634da121 -> other#14 0x7f876351552d -> other#15 0x7f87632eff85 -> other#16 0x7f87632eeac7 -> other#17 0x7f87632efb77 -> other#18 0x7f8763852186 -> other#19 0x7f87634de1f1 -> other#20 0x7f87634e8cdc -> other#21 0x7f87634da121 -> other#22 0x7f876351552d -> other#23 0x7f87632eff85 -> other#24 0x7f87632eeac7 -> other#25 0x7f87632efb77 -> other#26 0x7f8763852186 -> other#27 0x7f87634de1f1 -> other#28 0x7f87634e8cdc -> other#29 0x7f87634da121 -> other#30 0x7f876351552d -> other#31 0x7f87632eff85 -> other#32 0x7f87632eeac7 -> other#33 0x7f87632efb77 -> other#34 0x7f8763852186 -> other#35 0x7f87634de1f1 -> other#36 0x7f87634e8cdc -> other#37 0x7f87634da121 -> other#38 0x7f876351552d -> other#39 0x7f87632eff85 -> other#40 0x7f87632eeac7 -> other#41 0x7f87632efb77 -> other#42 0x7f8763852186 -> other#43 0x7f87634de1f1 -> other#44 0x7f87634e8cdc -> other#45 0x7f87634da121 -> other#46 0x7f876351552d -> other#47 0x7f87632eff85 -> other#48 0x7f87632eeac7 -> other#49 0x7f87632efb77 -> other#50 0x7f8763852186 -> other#51 0x7f87634de1f1 -> other#52 0x7f87634e8cdc -> other#53 0x7f87634da121 -> other#54 0x7f876351552d -> other#55 0x7f87632eff85 -> other#56 0x7f87632eeac7 -> other#57 0x7f87632efb77 -> other#58 0x7f8763852186 -> other#59 0x7f87634de1f1 -> other#60 0x7f87634e8cdc -> other#61 0x7f87634da121 -> other#62 0x7f876351552d -> other#63 0x7f87632eff85 -> other#64 0x7f87632eeac7 -> other#65 0x7f87632efb77 -> other#66 0x7f8763852186 -> other#67 0x7f87634de1f1 -> other#68 0x7f87634e8cdc -> other#69 0x7f87634da121 -> other#70 0x7f876351552d -> other#71 0x7f87632eff85 -> other#72 0x7f87632eeac7 -> other#73 0x7f87632efb77 -> other#74 0x7f8763852186 -> other#75 0x7f87634de1f1 -> other#76 0x7f87634e8cdc -> other#77 0x7f87634da121 -> other#78 0x7f876351552d -> other#79 0x7f87632eff85 -> other#80 0x7f87632eeac7 -> other#81 0x7f87632efb77 -> other#82 0x7f8763852186 -> other#83 0x7f8763378e09 -> other#84 0x7f87632eeac7 -> other#85 0x7f87632efb77 -> other#86 0x7f87634ddd3c -> other#87 0x7f87634e6604 -> other#88 0x7f87634da121 -> other#89 0x7f876351552d -> other#90 0x7f87634dd758 -> other#91 0x7f876374d7ed -> other#92 0x7f876374dc58 -> other#93 0x7f876374d40e -> other#94 0x7f876374b98d -> other#95 0x7f876378b0fd -> other#96 0x7f876378c121 -> other#97 0x7f876378c2f3 -> other#98 0x7f876378c3c9 -> other#99 0x7f876378c491 -> other#100 0x55f0d60984bd -> python#101 0x7f8763008681 -> other#102 0x7f8763008798 -> other#103 0x55f0d60983d5 -> python{"length": 104, "python_frames": 2, "jit_frames": 0, "other_frames": 102, "jit_backend": "jit"}JIT ranges:  0x7fb224624000-0x7fb224647000#00 0x7fb233378fda -> other#01 0x7fb2332eeac7 -> other#02 0x7fb2332efb77 -> other#03 0x7fb2334ddd3c -> other#04 0x7fb2334e6604 -> other#05 0x7fb2334da121 -> other#06 0x7fb23351552d -> other#07 0x7fb2332eff85 -> other#08 0x7fb2332eeac7 -> other#09 0x7fb2332efb77 -> other#10 0x7fb233852186 -> other#11 0x7fb2334de1f1 -> other#12 0x7fb22462f00f -> jit{"length": 13, "python_frames": 0, "jit_frames": 1, "other_frames": 12, "jit_backend": "jit"}  test_manual_unwind_respects_frame_pointers (test.test_frame_pointer_unwind.FramePointerUnwindTests.test_manual_unwind_respects_frame_pointers) (env={'PYTHON_JIT': '1'}) ... FAIL======================================================================FAIL: test_manual_unwind_respects_frame_pointers (test.test_frame_pointer_unwind.FramePointerUnwindTests.test_manual_unwind_respects_frame_pointers) (env={'PYTHON_JIT': '1'})----------------------------------------------------------------------Traceback (most recent call last):  File "/builddir/build/BUILD/python3.15-3.15.0_a6-build/Python-3.15.0a6/Lib/test/test_frame_pointer_unwind.py", line 182, in test_manual_unwind_respects_frame_pointers    self.assertGreater(    ~~~~~~~~~~~~~~~~~~^        python_frames,        ^^^^^^^^^^^^^^        0,        ^^        f"expected to find Python frames on {self.machine} with env {env}",        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^    )    ^AssertionError: 0 not greater than 0 : expected to find Python frames on x86_64 with env {'PYTHON_JIT': '1'}

CPython versions tested on:

3.15

Operating systems tested on:

Linux

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