[ 0:00] compiling /home/xrockai/src/divine/nightly/test/libcxx/strings/swap_noexcept.pass.cpp [ 0:00] In file included from /home/xrockai/src/divine/nightly/test/libcxx/strings/swap_noexcept.pass.cpp:26: [ 0:00] In file included from /dios/libcxx/include/string:504: [ 0:00] In file included from /dios/libcxx/include/string_view:175: [ 0:00] In file included from /dios/libcxx/include/__string:56: [ 0:00] In file included from /dios/libcxx/include/algorithm:639: [ 0:00] In file included from /dios/libcxx/include/initializer_list:46: [ 0:00] In file included from /dios/libcxx/include/cstddef:44: [ 0:00] In file included from /dios/include/stddef.h:10: [ 0:00] In file included from /dios/include/_PDCLIB/int.h:16: [ 0:00] /dios/include/_PDCLIB/cdefs.h:69:10: warning: Unsupported _ _cplusplus (__cplusplus) (too new) (supported: ISO/IEC 14882:1997, ISO/IEC 14882:2011). [ 0:00] #warning Unsupported _ _cplusplus (__cplusplus) (too new) (supported: ISO/IEC 14882:1997, ISO/IEC 14882:2011). [ 0:00] ^ [ 0:00] 1 warning generated. [ 0:01] compiling /dios/lib/config/seqklee.bc [ 0:01] setting up pass: functionmeta, options = [ 0:02] setting up pass: fuse-ctors, options = [ 0:02] KLEE: output directory is "/var/obj/divine-nightly/semidbg/test/__test_work_dir.1/_klee_out" [ 0:04] KLEE: Using Z3 solver backend [ 0:04] WARNING: this target does not support the llvm.stacksave intrinsic. [ 0:04] warning: Linking two modules of different target triples: klee_div_zero_check.bc' is 'x86_64-unknown-linux-gnu' whereas 'klee.bc' is 'x86_64-unknown-none-elf' [ 0:04] [ 0:04] KLEE: WARNING: undefined reference to function: __dios_tainted_init [ 0:06] KLEE: WARNING: undefined reference to function: klee_free [ 0:06] KLEE: WARNING: undefined reference to function: klee_malloc [ 0:06] i:1 [ 0:06] KLEE: WARNING ONCE: Alignment of memory from call "klee_malloc" is not modelled. Using alignment of 8. [ 0:06] about to __boot:0 [ 0:06] about to run the scheduler:0 [ 0:06] KLEE: WARNING ONCE: calling external: __dios_tainted_init() at /dios/libc/sys/start.cpp:49 5 [ 0:06] KLEE: ERROR: /dios/libc/sys/start.cpp:87: failed external call: __dios_tainted_init [ 0:06] KLEE: NOTE: now ignoring this error at this location [ 0:06] KLEE: ERROR: EXITING ON ERROR: [ 0:07] Error: failed external call: __dios_tainted_init [ 0:07] File: /dios/libc/sys/start.cpp [ 0:07] Line: 87 [ 0:07] assembly.ll line: 33967 [ 0:07] Stack: [ 0:07] #000033967 in __dios_start (l=2, argc=1, argv=94502741037576, envp=94502741106696) at /dios/libc/sys/start.cpp:87 [ 0:07] #100009993 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163 [ 0:07] #200042232 in klee_boot (argc=2, argv=94502716078848) at /dios/arch/klee/boot.c:41 [ 0:07] [ 0:07] [ 0:07] 1 /* TAGS: c++ fin */ [ 0:07] 2 /* CC_OPTS: -std=c++2a */ [ 0:07] 3 /* VERIFY_OPTS: -o nofail:malloc */ [ 0:07] 4 //===----------------------------------------------------------------------===// [ 0:07] 5 // [ 0:07] 6 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. [ 0:07] 7 // See https://llvm.org/LICENSE.txt for license information. [ 0:07] 8 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception [ 0:07] 9 // [ 0:07] 10 //===----------------------------------------------------------------------===// [ 0:07] 11 [ 0:07] 12 // UNSUPPORTED: c++98, c++03 [ 0:07] 13 [ 0:07] 14 // [ 0:07] 15 [ 0:07] 16 // void swap(basic_string& c) [ 0:07] 17 // noexcept(!allocator_type::propagate_on_container_swap::value || [ 0:07] 18 // __is_nothrow_swappable::value); [ 0:07] 19 // [ 0:07] 20 // In C++17, the standard says that swap shall have: [ 0:07] 21 // noexcept(allocator_traits::propagate_on_container_swap::value || [ 0:07] 22 // allocator_traits::is_always_equal::value); [ 0:07] 23 [ 0:07] 24 // This tests a conforming extension [ 0:07] 25 [ 0:07] 26 #include [ 0:07] 27 #include [ 0:07] 28 #include [ 0:07] 29 [ 0:07] 30 #include "test_macros.h" [ 0:07] 31 #include "test_allocator.h" [ 0:07] 32 [ 0:07] 33 template [ 0:07] 34 struct some_alloc [ 0:07] 35 { [ 0:07] 36 typedef T value_type; [ 0:07] 37 [ 0:07] 38 some_alloc() {} [ 0:07] 39 some_alloc(const some_alloc&); [ 0:07] 40 T *allocate(size_t); [ 0:07] 41 void deallocate(void*, unsigned) {} [ 0:07] 42 typedef std::true_type propagate_on_container_swap; [ 0:07] 43 }; [ 0:07] 44 [ 0:07] 45 template [ 0:07] 46 struct some_alloc2 [ 0:07] 47 { [ 0:07] 48 typedef T value_type; [ 0:07] 49 [ 0:07] 50 some_alloc2() {} [ 0:07] 51 some_alloc2(const some_alloc2&); [ 0:07] 52 T *allocate(size_t); [ 0:07] 53 void deallocate(void*, unsigned) {} [ 0:07] 54 [ 0:07] 55 typedef std::false_type propagate_on_container_swap; [ 0:07] 56 typedef std::true_type is_always_equal; [ 0:07] 57 }; [ 0:07] 58 [ 0:07] 59 int main(int, char**) [ 0:07] 60 { [ 0:07] 61 { [ 0:07] 62 typedef std::string C; [ 0:07] 63 static_assert(noexcept(swap(std::declval(), std::declval())), ""); [ 0:07] 64 } [ 0:07] 65 #if defined(_LIBCPP_VERSION) [ 0:07] 66 { [ 0:07] 67 typedef std::basic_string, test_allocator> C; [ 0:07] 68 static_assert(noexcept(swap(std::declval(), std::declval())), ""); [ 0:07] 69 } [ 0:07] 70 #endif // _LIBCPP_VERSION [ 0:07] 71 { [ 0:07] 72 typedef std::basic_string, some_alloc> C; [ 0:07] 73 #if TEST_STD_VER >= 14 [ 0:07] 74 // In C++14, if POCS is set, swapping the allocator is required not to throw [ 0:07] 75 static_assert( noexcept(swap(std::declval(), std::declval())), ""); [ 0:07] 76 #else [ 0:07] 77 static_assert(!noexcept(swap(std::declval(), std::declval())), ""); [ 0:07] 78 #endif [ 0:07] 79 } [ 0:07] 80 #if TEST_STD_VER >= 14 [ 0:07] 81 { [ 0:07] 82 typedef std::basic_string, some_alloc2> C; [ 0:07] 83 // if the allocators are always equal, then the swap can be noexcept [ 0:07] 84 static_assert( noexcept(swap(std::declval(), std::declval())), ""); [ 0:07] 85 } [ 0:07] 86 #endif [ 0:07] 87 [ 0:07] 88 return 0; [ 0:07] 89 } [ 0:07] # no errors were expected but one was found anyway