[Bug target/104409] [Aarch64] Crash when compiling source code of any significant size with -march=armv8.7-a

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104409

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:
==2620791== Invalid write of size 8
==2620791==    at 0x74A1EC: pushclass(tree_node*) (in
/bajas/pinskia/src/upstream-gcc-aarch64/gcc/objdir/gcc/cc1plus)
==2620791==    by 0x9F87B7: begin_class_definition(tree_node*) (in
/bajas/pinskia/src/upstream-gcc-aarch64/gcc/objdir/gcc/cc1plus)
==2620791==    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)
==2620791==    by 0x1500B23: aarch64_general_init_builtins() (in
/bajas/pinskia/src/upstream-gcc-aarch64/gcc/objdir/gcc/cc1plus)
==2620791==    by 0x144CACB: aarch64_init_builtins() (in
/bajas/pinskia/src/upstream-gcc-aarch64/gcc/objdir/gcc/cc1plus)
==2620791==    by 0xA9E303: c_define_builtins(tree_node*, tree_node*) (in
/bajas/pinskia/src/upstream-gcc-aarch64/gcc/objdir/gcc/cc1plus)
==2620791==    by 0xAA7DC3: c_common_nodes_and_builtins() (in
/bajas/pinskia/src/upstream-gcc-aarch64/gcc/objdir/gcc/cc1plus)
==2620791==    by 0x8069CF: cxx_init_decl_processing() (in
/bajas/pinskia/src/upstream-gcc-aarch64/gcc/objdir/gcc/cc1plus)
==2620791==    by 0x869157: cxx_init() (in
/bajas/pinskia/src/upstream-gcc-aarch64/gcc/objdir/gcc/cc1plus)
==2620791==    by 0x70FDE3: toplev::main(int, char**) (in
/bajas/pinskia/src/upstream-gcc-aarch64/gcc/objdir/gcc/cc1plus)
==2620791==    by 0x711203: main (in
/bajas/pinskia/src/upstream-gcc-aarch64/gcc/objdir/gcc/cc1plus)
==2620791==  Address 0x4d6ffe0 is 0 bytes inside a block of size 1 alloc'd
==2620791==    at 0x4853BFC: malloc (in
/usr/lib/valgrind/vgpreload_memcheck-arm64-linux.so)