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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug target/104409] [Aarch64] Crash when compiling source code of
 any significant size with -march=armv8.7-a
Date: Sun, 06 Feb 2022 22:28:49 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D104409

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
           Keywords|GC                          |

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Here is some stuff from valgrind:
=3D=3D2620791=3D=3D Invalid write of size 8
=3D=3D2620791=3D=3D    at 0x74A1EC: pushclass(tree_node*) (in
/bajas/pinskia/src/upstream-gcc-aarch64/gcc/objdir/gcc/cc1plus)
=3D=3D2620791=3D=3D    by 0x9F87B7: begin_class_definition(tree_node*) (in
/bajas/pinskia/src/upstream-gcc-aarch64/gcc/objdir/gcc/cc1plus)
=3D=3D2620791=3D=3D    by 0x809183: cxx_simulate_record_decl(unsigned int, =
char const*,
array_slice<tree_node* const>) (in
/bajas/pinskia/src/upstream-gcc-aarch64/gcc/objdir/gcc/cc1plus)
=3D=3D2620791=3D=3D    by 0x1500B23: aarch64_general_init_builtins() (in
/bajas/pinskia/src/upstream-gcc-aarch64/gcc/objdir/gcc/cc1plus)
=3D=3D2620791=3D=3D    by 0x144CACB: aarch64_init_builtins() (in
/bajas/pinskia/src/upstream-gcc-aarch64/gcc/objdir/gcc/cc1plus)
=3D=3D2620791=3D=3D    by 0xA9E303: c_define_builtins(tree_node*, tree_node=
*) (in
/bajas/pinskia/src/upstream-gcc-aarch64/gcc/objdir/gcc/cc1plus)
=3D=3D2620791=3D=3D    by 0xAA7DC3: c_common_nodes_and_builtins() (in
/bajas/pinskia/src/upstream-gcc-aarch64/gcc/objdir/gcc/cc1plus)
=3D=3D2620791=3D=3D    by 0x8069CF: cxx_init_decl_processing() (in
/bajas/pinskia/src/upstream-gcc-aarch64/gcc/objdir/gcc/cc1plus)
=3D=3D2620791=3D=3D    by 0x869157: cxx_init() (in
/bajas/pinskia/src/upstream-gcc-aarch64/gcc/objdir/gcc/cc1plus)
=3D=3D2620791=3D=3D    by 0x70FDE3: toplev::main(int, char**) (in
/bajas/pinskia/src/upstream-gcc-aarch64/gcc/objdir/gcc/cc1plus)
=3D=3D2620791=3D=3D    by 0x711203: main (in
/bajas/pinskia/src/upstream-gcc-aarch64/gcc/objdir/gcc/cc1plus)
=3D=3D2620791=3D=3D  Address 0x4d6ffe0 is 0 bytes inside a block of size 1 =
alloc'd
=3D=3D2620791=3D=3D    at 0x4853BFC: malloc (in
/usr/lib/valgrind/vgpreload_memcheck-arm64-linux.so)=