[ 0:00] compiling /home/xrockai/src/divine/nightly/test/libcxx/containers/front_back.pass.cpp [ 0:00] In file included from /home/xrockai/src/divine/nightly/test/libcxx/containers/front_back.pass.cpp:19: [ 0:00] In file included from /dios/libcxx/include/array:107: [ 0:00] In file included from /dios/libcxx/include/__tuple:14: [ 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.21/_klee_out" [ 0:04] KLEE: Using Z3 solver backend [ 0:04] WARNING: this target does not support the llvm.stacksave intrinsic. [ 0:05] 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' [ 0:05] [ 0:05] KLEE: WARNING: undefined reference to function: __dios_tainted_init [ 0:07] KLEE: WARNING: undefined reference to function: klee_free [ 0:07] KLEE: WARNING: undefined reference to function: klee_malloc [ 0:07] i:1 [ 0:07] KLEE: WARNING ONCE: Alignment of memory from call "klee_malloc" is not modelled. Using alignment of 8. [ 0:07] about to __boot:0 [ 0:07] about to run the scheduler:0 [ 0:07] KLEE: WARNING ONCE: calling external: __dios_tainted_init() at /dios/libc/sys/start.cpp:49 5 [ 0:07] KLEE: ERROR: /dios/libc/sys/start.cpp:87: failed external call: __dios_tainted_init [ 0:07] KLEE: NOTE: now ignoring this error at this location [ 0:07] 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: 34183 [ 0:07] Stack: [ 0:07] #000034183 in __dios_start (l=2, argc=1, argv=94409638097416, envp=94409638158344) at /dios/libc/sys/start.cpp:87 [ 0:07] #100010192 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163 [ 0:07] #200042431 in klee_boot (argc=2, argv=94409612851968) 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 // [ 0:07] 13 [ 0:07] 14 // reference front(); // constexpr in C++17 [ 0:07] 15 // reference back(); // constexpr in C++17 [ 0:07] 16 // const_reference front(); // constexpr in C++14 [ 0:07] 17 // const_reference back(); // constexpr in C++14 [ 0:07] 18 [ 0:07] 19 #include [ 0:07] 20 #include [ 0:07] 21 [ 0:07] 22 #include "test_macros.h" [ 0:07] 23 [ 0:07] 24 // std::array is explicitly allowed to be initialized with A a = { init-list };. [ 0:07] 25 // Disable the missing braces warning for this reason. [ 0:07] 26 #include "disable_missing_braces_warning.h" [ 0:07] 27 [ 0:07] 28 #if TEST_STD_VER > 14 [ 0:07] 29 constexpr bool check_front( double val ) [ 0:07] 30 { [ 0:07] 31 std::array arr = {1, 2, 3.5}; [ 0:07] 32 return arr.front() == val; [ 0:07] 33 } [ 0:07] 34 [ 0:07] 35 constexpr bool check_back( double val ) [ 0:07] 36 { [ 0:07] 37 std::array arr = {1, 2, 3.5}; [ 0:07] 38 return arr.back() == val; [ 0:07] 39 } [ 0:07] 40 #endif [ 0:07] 41 [ 0:07] 42 int main(int, char**) [ 0:07] 43 { [ 0:07] 44 { [ 0:07] 45 typedef double T; [ 0:07] 46 typedef std::array C; [ 0:07] 47 C c = {1, 2, 3.5}; [ 0:07] 48 [ 0:07] 49 C::reference r1 = c.front(); [ 0:07] 50 assert(r1 == 1); [ 0:07] 51 r1 = 5.5; [ 0:07] 52 assert(c[0] == 5.5); [ 0:07] 53 [ 0:07] 54 C::reference r2 = c.back(); [ 0:07] 55 assert(r2 == 3.5); [ 0:07] 56 r2 = 7.5; [ 0:07] 57 assert(c[2] == 7.5); [ 0:07] 58 } [ 0:07] 59 { [ 0:07] 60 typedef double T; [ 0:07] 61 typedef std::array C; [ 0:07] 62 const C c = {1, 2, 3.5}; [ 0:07] 63 C::const_reference r1 = c.front(); [ 0:07] 64 assert(r1 == 1); [ 0:07] 65 [ 0:07] 66 C::const_reference r2 = c.back(); [ 0:07] 67 assert(r2 == 3.5); [ 0:07] 68 } [ 0:07] 69 { [ 0:07] 70 typedef double T; [ 0:07] 71 typedef std::array C; [ 0:07] 72 C c = {}; [ 0:07] 73 C const& cc = c; [ 0:07] 74 ASSERT_SAME_TYPE(decltype( c.back()), typename C::reference); [ 0:07] 75 ASSERT_SAME_TYPE(decltype(cc.back()), typename C::const_reference); [ 0:07] 76 LIBCPP_ASSERT_NOEXCEPT( c.back()); [ 0:07] 77 LIBCPP_ASSERT_NOEXCEPT( cc.back()); [ 0:07] 78 ASSERT_SAME_TYPE(decltype( c.front()), typename C::reference); [ 0:07] 79 ASSERT_SAME_TYPE(decltype(cc.front()), typename C::const_reference); [ 0:07] 80 LIBCPP_ASSERT_NOEXCEPT( c.front()); [ 0:07] 81 LIBCPP_ASSERT_NOEXCEPT( cc.front()); [ 0:07] 82 if (c.size() > (0)) { // always false [ 0:07] 83 TEST_IGNORE_NODISCARD c.front(); [ 0:07] 84 TEST_IGNORE_NODISCARD c.back(); [ 0:07] 85 TEST_IGNORE_NODISCARD cc.front(); [ 0:07] 86 TEST_IGNORE_NODISCARD cc.back(); [ 0:07] 87 } [ 0:07] 88 } [ 0:07] 89 { [ 0:07] 90 typedef double T; [ 0:07] 91 typedef std::array C; [ 0:07] 92 C c = {{}}; [ 0:07] 93 C const& cc = c; [ 0:07] 94 ASSERT_SAME_TYPE(decltype( c.back()), typename C::reference); [ 0:07] 95 ASSERT_SAME_TYPE(decltype(cc.back()), typename C::const_reference); [ 0:07] 96 LIBCPP_ASSERT_NOEXCEPT( c.back()); [ 0:07] 97 LIBCPP_ASSERT_NOEXCEPT( cc.back()); [ 0:07] 98 ASSERT_SAME_TYPE(decltype( c.front()), typename C::reference); [ 0:07] 99 ASSERT_SAME_TYPE(decltype(cc.front()), typename C::const_reference); [ 0:07] 100 LIBCPP_ASSERT_NOEXCEPT( c.front()); [ 0:07] 101 LIBCPP_ASSERT_NOEXCEPT( cc.front()); [ 0:07] 102 if (c.size() > (0)) { [ 0:07] 103 TEST_IGNORE_NODISCARD c.front(); [ 0:07] 104 TEST_IGNORE_NODISCARD c.back(); [ 0:07] 105 TEST_IGNORE_NODISCARD cc.front(); [ 0:07] 106 TEST_IGNORE_NODISCARD cc.back(); [ 0:07] 107 } [ 0:07] 108 } [ 0:07] 109 #if TEST_STD_VER > 11 [ 0:07] 110 { [ 0:07] 111 typedef double T; [ 0:07] 112 typedef std::array C; [ 0:07] 113 constexpr C c = {1, 2, 3.5}; [ 0:07] 114 [ 0:07] 115 constexpr T t1 = c.front(); [ 0:07] 116 static_assert (t1 == 1, ""); [ 0:07] 117 [ 0:07] 118 constexpr T t2 = c.back(); [ 0:07] 119 static_assert (t2 == 3.5, ""); [ 0:07] 120 } [ 0:07] 121 #endif [ 0:07] 122 [ 0:07] 123 #if TEST_STD_VER > 14 [ 0:07] 124 { [ 0:07] 125 static_assert (check_front(1), ""); [ 0:07] 126 static_assert (check_back (3.5), ""); [ 0:07] 127 } [ 0:07] 128 #endif [ 0:07] 129 [ 0:07] 130 return 0; [ 0:07] 131 } [ 0:07] # no errors were expected but one was found anyway