[Bug c++/102433] New: [11/12 Regression] ICE in ~saved_token_sentinel, at cp/parser.c:1293

[gscfq@t-online.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102433

            Bug ID: 102433
           Summary: [11/12 Regression] ICE in ~saved_token_sentinel, at
                    cp/parser.c:1293
           Product: gcc
           Version: 12.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: c++
          Assignee: unassigned at gcc dot gnu.org
          Reporter: gscfq@t-online.de
  Target Milestone: ---

Started between 20210404 and 20210411 :
(gcc configured with --enable-checking=yes)


$ cat z1.cc
void f ()
{
  #pragma omp task depend(in:this)
  ;
}


$ g++-12-20210919 -c z1.cc -fopenmp
z1.cc: In function 'void f()':
z1.cc:3:29: error: invalid use of 'this' in non-member function
    3 |   #pragma omp task depend(in:this)
      |                             ^
z1.cc:4:3: internal compiler error: in ~saved_token_sentinel, at
cp/parser.c:1293
    4 |   ;
      |   ^
0x8f2770 saved_token_sentinel::~saved_token_sentinel()
        ../../gcc/cp/parser.c:1293
0x8f2770 cp_parser_statement
        ../../gcc/cp/parser.c:12062
0x8f2894 cp_parser_statement_seq_opt
        ../../gcc/cp/parser.c:12713
0x8f2977 cp_parser_compound_statement
        ../../gcc/cp/parser.c:12662
0x9182f0 cp_parser_function_body
        ../../gcc/cp/parser.c:24893
0x9182f0 cp_parser_ctor_initializer_opt_and_function_body
        ../../gcc/cp/parser.c:24944
0x91896a cp_parser_function_definition_after_declarator
        ../../gcc/cp/parser.c:31066
0x919be4 cp_parser_function_definition_from_specifiers_and_declarator
        ../../gcc/cp/parser.c:30982
0x919be4 cp_parser_init_declarator
        ../../gcc/cp/parser.c:22427
0x8ef1c2 cp_parser_simple_declaration
        ../../gcc/cp/parser.c:15133
0x920d5e cp_parser_declaration
        ../../gcc/cp/parser.c:14819
0x921985 cp_parser_translation_unit
        ../../gcc/cp/parser.c:4978
0x921985 c_parse_file()
        ../../gcc/cp/parser.c:47694
0xaa4682 c_common_parse_file()
        ../../gcc/c-family/c-opts.c:1236