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* [Bug c++/104622] New: [12 Regression] ICE in compare_ics, at cp/call.cc:11419
@ 2022-02-21 21:28 gscfq@t-online.de
  2022-02-22  0:35 ` [Bug c++/104622] " pinskia at gcc dot gnu.org
                   ` (6 more replies)
  0 siblings, 7 replies; 8+ messages in thread
From: gscfq@t-online.de @ 2022-02-21 21:28 UTC (permalink / raw)
  To: gcc-bugs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104622

            Bug ID: 104622
           Summary: [12 Regression] ICE in compare_ics, at
                    cp/call.cc:11419
           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: ---

Changed between 20210822 and 20210905 :
(variations of g++.dg/warn/Winvalid-memory-model*)


$ cat z1.cc
#include <atomic>
static const std::memory_order relaxed = std::memory_order_relaxed;
extern std::atomic<int> eai;
void test_compare_exchange (int pi, int *pj)
{
#define cmpxchg(x, y, z, o1, o2) \
  std::atomic_compare_exchange_weak_explicit (x, y, z, o1, o2)
  cmpxchg (&eai, pi++, *pj++, relaxed, relaxed);


$ cat z2.cc
#include <atomic>
static const std::memory_order relaxed = std::memory_order_relaxed;
extern std::atomic<int> eai;
void test_compare_exchange (int *pi, int *pj)
{
#define cmpxchg(x, y, z, o1, o2) \
  std::atomic_compare_exchange_weak_explicit (x, -1, z, o1, o2)
  cmpxchg (&eai, pi++, *pj++, relaxed, relaxed);


$ cat z3.cc
#include <atomic>
static const std::memory_order relaxed = std::memory_order_relaxed;
static const std::memory_order consume = std::memory_order_consume;
extern std::atomic<int> eai;
void test_compare_exchange (int *pi, int *pj)
{
#define cmpxchg(x, y, z, o1, o2) \
  std::atomic_compare_exchange_weak_explicit (x, y, z, o1, o2)
  cmpxchg (&eai,*pj++,*pj++, relaxed, consume);


$ g++-12-20220220 -c z1.cc
z1.cc: In function 'void test_compare_exchange(int, int*)':
z1.cc:7:46: internal compiler error: Segmentation fault
    7 |   std::atomic_compare_exchange_weak_explicit (x, y, z, o1, o2)
      |   ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~
z1.cc:8:3: note: in expansion of macro 'cmpxchg'
    8 |   cmpxchg (&eai, pi++, *pj++, relaxed, relaxed);
      |   ^~~~~~~
0xda25ef crash_signal
        ../../gcc/toplev.cc:322
0x6d06ee compare_ics
        ../../gcc/cp/call.cc:11419
0x6d747a joust
        ../../gcc/cp/call.cc:12083
0x6d857d tourney
        ../../gcc/cp/call.cc:12523
0x6d86c6 perform_overload_resolution
        ../../gcc/cp/call.cc:4718
0x6dd4b2 build_new_function_call(tree_node*, vec<tree_node*, va_gc,
vl_embed>**, int)
        ../../gcc/cp/call.cc:4816
0x85c0c0 finish_call_expr(tree_node*, vec<tree_node*, va_gc, vl_embed>**, bool,
bool, int)
        ../../gcc/cp/semantics.cc:2870
0x7f33af cp_parser_postfix_expression
        ../../gcc/cp/parser.cc:7878
0x805841 cp_parser_unary_expression
        ../../gcc/cp/parser.cc:9035
0x7dcc5f cp_parser_cast_expression
        ../../gcc/cp/parser.cc:9939
0x7dd492 cp_parser_binary_expression
        ../../gcc/cp/parser.cc:10041
0x7ddbe0 cp_parser_assignment_expression
        ../../gcc/cp/parser.cc:10345
0x7dea6c cp_parser_expression
        ../../gcc/cp/parser.cc:10515
0x7e1587 cp_parser_expression_statement
        ../../gcc/cp/parser.cc:12711
0x7eecf1 cp_parser_statement
        ../../gcc/cp/parser.cc:12507
0x7efcb4 cp_parser_statement_seq_opt
        ../../gcc/cp/parser.cc:12856
0x7efd6f cp_parser_compound_statement
        ../../gcc/cp/parser.cc:12808
0x80de98 cp_parser_function_body
        ../../gcc/cp/parser.cc:25062
0x80de98 cp_parser_ctor_initializer_opt_and_function_body
        ../../gcc/cp/parser.cc:25113
0x80e356 cp_parser_function_definition_after_declarator
        ../../gcc/cp/parser.cc:31243

^ permalink raw reply	[flat|nested] 8+ messages in thread
end of thread, other threads:[~2022-03-12 20:07 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-02-21 21:28 [Bug c++/104622] New: [12 Regression] ICE in compare_ics, at cp/call.cc:11419 gscfq@t-online.de
2022-02-22  0:35 ` [Bug c++/104622] " pinskia at gcc dot gnu.org
2022-02-22 10:30 ` rguenth at gcc dot gnu.org
2022-02-22 19:34 ` mpolacek at gcc dot gnu.org
2022-03-02 20:59 ` mpolacek at gcc dot gnu.org
2022-03-03  2:39 ` ppalka at gcc dot gnu.org
2022-03-12 20:02 ` cvs-commit at gcc dot gnu.org
2022-03-12 20:07 ` ppalka at gcc dot gnu.org

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