[Bug tree-optimization/92860] [8/9/10/11 regression] Global flags affected by -O settings are clobbered by optimize attribute

[dcb314 at hotmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92860

David Binderman <dcb314 at hotmail dot com> changed:

           What    |Removed                     |Added
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                 CC|                            |dcb314 at hotmail dot com

--- Comment #24 from David Binderman <dcb314 at hotmail dot com> ---
Is this error message related ?

/home/dcb/gcc/results.20200611/lib/gcc/x86_64-pc-linux-gnu/11.0.0/include/xsaveoptintrin.h:55:9:
internal compiler error: Error: global_options are modified in local context

   55 | #pragma GCC pop_options
      |         ^~~
0xe6fefe cl_optimization_compare(gcc_options*, gcc_options*)
        /home/dcb/gcc/working/gcc/options-save.c:0
0x97c7b9 handle_pragma_pop_options(cpp_reader*)
        ../../trunk.git/gcc/c-family/c-pragma.c:1090
0x7a0565 cp_parser_pragma(cp_parser*, pragma_context, bool*)
        ../../trunk.git/gcc/cp/parser.c:43983
0x79d432 cp_parser_toplevel_declaration(cp_parser*)
        ../../trunk.git/gcc/cp/parser.c:13502

It seems to be a preprocessor crash, so I don't know how to reduce
the test case.