[Bug analyzer/97620] New: -fexec-charset=IBM16804 triggers ICE

["euloanty at live dot com" <gcc-bugzilla@gcc.gnu.org>]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97620

            Bug ID: 97620
           Summary: -fexec-charset=IBM16804 triggers ICE
           Product: gcc
           Version: 11.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: analyzer
          Assignee: dmalcolm at gcc dot gnu.org
          Reporter: euloanty at live dot com
  Target Milestone: ---

gcc -o stdio stdio.c -s -O2 -fexec-charset=IBM16804
during GIMPLE pass: strlen
stdio.c: In function 'main':
stdio.c:7: internal compiler error: converting to execution character set:
Invalid or incomplete multibyte or wide character
0x8f21da c_cpp_diagnostic(cpp_reader*, cpp_diagnostic_level,
cpp_warning_reason, rich_location*, char const*, __va_list_tag (*) [1])
        ../../gcc/gcc/c-family/c-common.c:6366
0x192798d cpp_diagnostic_at
        ../../gcc/libcpp/errors.c:42
0x192798d cpp_diagnostic
        ../../gcc/libcpp/errors.c:75
0x1927a79 cpp_error(cpp_reader*, cpp_diagnostic_level, char const*, ...)
        ../../gcc/libcpp/errors.c:89
0x1921214 cpp_host_to_exec_charset(cpp_reader*, unsigned int)
        ../../gcc/libcpp/charset.c:798
0x8f22e3 c_common_to_target_charset(long)
        ../../gcc/gcc/c-family/c-common.c:6384
0x178f119 init_target_to_host_charmap
        ../../gcc/gcc/gimple-ssa-sprintf.c:199
0x178f119 handle_printf_call(gimple_stmt_iterator*, range_query*)
        ../../gcc/gcc/gimple-ssa-sprintf.c:4301
0xfdabfb strlen_check_and_optimize_call
        ../../gcc/gcc/tree-ssa-strlen.c:5473
0xfdabfb check_and_optimize_stmt
        ../../gcc/gcc/tree-ssa-strlen.c:5641
0xfdabfb strlen_dom_walker::before_dom_children(basic_block_def*)
        ../../gcc/gcc/tree-ssa-strlen.c:5874
0x1737467 dom_walker::walk(basic_block_def*)
        ../../gcc/gcc/domwalk.c:309
0xfcfd91 printf_strlen_execute
        ../../gcc/gcc/tree-ssa-strlen.c:5940
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