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From: "doko at debian dot org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/98557] [11 Regression] ICE in insert_operand_rank, at
 tree-ssa-reassoc.c:367 on arm-linux-gnueabihf
Date: Thu, 07 Jan 2021 10:25:14 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98557

--- Comment #10 from Matthias Klose <doko at debian dot org> ---
to reproduce the clang_delta segfault:

$ cat wxe_funcs.ii
static __typeof() a     __attribute__((__weakref__("pthread_mutex_destroy")=
))

$ /usr/lib/arm-linux-gnueabihf/clang_delta
--query-instances=3Dreplace-function-def-with-decl wxe_funcs.ii
clang_delta: /usr/lib/llvm-11/include/llvm/ADT/PointerIntPair.h:178: static
intptr_t llvm::PointerIntPairInfo<PointerT, IntBits,
PtrTraits>::updatePointer(intptr_t, PointerT) [with PointerT =3D clang::Stm=
t*;
unsigned int IntBits =3D 1; PtrTraits =3D
llvm::PointerLikeTypeTraits<clang::Stmt*>; intptr_t =3D int]: Assertion `(P=
trWord
& ~PointerBitMask) =3D=3D 0 && "Pointer is not sufficiently aligned"' faile=
d.
Aborted (core dumped)=