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From: "dave.anglin at bell dot net" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug rtl-optimization/112415] [14 regression] Python 3.11
 miscompiled on HPPA with new RTL fold mem offset pass, since
 r14-4664-g04c9cf5c786b94
Date: Mon, 06 Nov 2023 23:18:26 +0000
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: rtl-optimization
X-Bugzilla-Version: 14.0
X-Bugzilla-Keywords: wrong-code
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Message-ID: <bug-112415-4-zisRDjWTN0@http.gcc.gnu.org/bugzilla/>
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D112415

--- Comment #10 from dave.anglin at bell dot net ---
On 2023-11-06 5:49 p.m., sjames at gcc dot gnu.org wrote:
> Program received signal SIGSEGV, Segmentation fault.
> 0x412083f0 in _PyST_GetSymbol (name=3D0xf9a34a00, ste=3D<optimized out>) =
at
> Python/symtable.c:396
> 396         PyObject *v =3D PyDict_GetItemWithError(ste->ste_symbols, nam=
e);
> (gdb) x/20i $pc
> =3D> 0x412083f0 <_PyST_GetScope+20>:      ldw c(r26),r26
r26=3D0x34, so the ldw will fault.=C2=A0 It appears r26 and r25 have been e=
xchanged in
the code
prior to <_PyST_GetScope+20>.=C2=A0 In any case, the problem is with the ste
argument passed
to=C2=A0 _PyST_GetSymbol.=