[ 0:00] compiling /home/xrockai/src/divine/nightly/test/libcxx/containers/container.pass.cpp [ 0:00] In file included from /home/xrockai/src/divine/nightly/test/libcxx/containers/container.pass.cpp:31: [ 0:00] In file included from /dios/libcxx/include/span:132: [ 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 = [ 0:03] setting up pass: fuse-ctors, options = [ 0:03] KLEE: output directory is "/var/obj/divine-nightly/semidbg/test/__test_work_dir.4/_klee_out" [ 0:07] KLEE: Using Z3 solver backend [ 0:07] WARNING: this target does not support the llvm.stacksave intrinsic. [ 0:07] 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' [ 0:07] [ 0:07] KLEE: WARNING: undefined reference to function: _Z10klee_abortv [ 0:13] KLEE: WARNING: undefined reference to function: __dios_tainted_init [ 0:13] KLEE: WARNING: undefined reference to function: klee_free [ 0:13] KLEE: WARNING: undefined reference to function: klee_malloc [ 0:13] KLEE: WARNING ONCE: Using zero size array fix for landingpad instruction filter [ 0:13] i:1 [ 0:13] KLEE: WARNING ONCE: Alignment of memory from call "klee_malloc" is not modelled. Using alignment of 8. [ 0:13] about to __boot:0 [ 0:13] about to run the scheduler:0 [ 0:13] KLEE: WARNING ONCE: calling external: __dios_tainted_init() at /dios/libc/sys/start.cpp:49 5 [ 0:13] KLEE: ERROR: /dios/libc/sys/start.cpp:87: failed external call: __dios_tainted_init [ 0:13] KLEE: NOTE: now ignoring this error at this location [ 0:13] KLEE: ERROR: EXITING ON ERROR: [ 0:14] Error: failed external call: __dios_tainted_init [ 0:14] File: /dios/libc/sys/start.cpp [ 0:14] Line: 87 [ 0:14] assembly.ll line: 69499 [ 0:14] Stack: [ 0:14] #000069499 in __dios_start (l=2, argc=1, argv=94604295680520, envp=94604295757832) at /dios/libc/sys/start.cpp:87 [ 0:14] #100017328 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163 [ 0:14] #200078079 in klee_boot (argc=2, argv=94604324503040) at /dios/arch/klee/boot.c:41 [ 0:14] [ 0:14] [ 0:14] 1 /* TAGS: c++ fin */ [ 0:14] 2 /* CC_OPTS: -std=c++2a */ [ 0:14] 3 /* VERIFY_OPTS: -o nofail:malloc */ [ 0:14] 4 // -*- C++ -*- [ 0:14] 5 //===------------------------------ span ---------------------------------===// [ 0:14] 6 // [ 0:14] 7 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. [ 0:14] 8 // See https://llvm.org/LICENSE.txt for license information. [ 0:14] 9 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception [ 0:14] 10 // [ 0:14] 11 //===---------------------------------------------------------------------===// [ 0:14] 12 // UNSUPPORTED: c++98, c++03, c++11, c++14, c++17 [ 0:14] 13 [ 0:14] 14 // [ 0:14] 15 [ 0:14] 16 // template [ 0:14] 17 // constexpr span(Container& cont); [ 0:14] 18 // template [ 0:14] 19 // constexpr span(const Container& cont); [ 0:14] 20 // [ 0:14] 21 // Remarks: These constructors shall not participate in overload resolution unless: [ 0:14] 22 // — extent == dynamic_extent, [ 0:14] 23 // — Container is not a specialization of span, [ 0:14] 24 // — Container is not a specialization of array, [ 0:14] 25 // — is_array_v is false, [ 0:14] 26 // — data(cont) and size(cont) are both well-formed, and [ 0:14] 27 // — remove_pointer_t(*)[] is convertible to ElementType(*)[]. [ 0:14] 28 // [ 0:14] 29 [ 0:14] 30 [ 0:14] 31 #include [ 0:14] 32 #include [ 0:14] 33 #include [ 0:14] 34 #include [ 0:14] 35 [ 0:14] 36 #include "test_macros.h" [ 0:14] 37 [ 0:14] 38 // Look ma - I'm a container! [ 0:14] 39 template [ 0:14] 40 struct IsAContainer { [ 0:14] 41 constexpr IsAContainer() : v_{} {} [ 0:14] 42 constexpr size_t size() const {return 1;} [ 0:14] 43 constexpr T *data() {return &v_;} [ 0:14] 44 constexpr const T *data() const {return &v_;} [ 0:14] 45 [ 0:14] 46 constexpr T const *getV() const {return &v_;} // for checking [ 0:14] 47 T v_; [ 0:14] 48 }; [ 0:14] 49 [ 0:14] 50 [ 0:14] 51 void checkCV() [ 0:14] 52 { [ 0:14] 53 std::vector v = {1,2,3}; [ 0:14] 54 [ 0:14] 55 // Types the same [ 0:14] 56 { [ 0:14] 57 std::span< int> s1{v}; // a span< int> pointing at int. [ 0:14] 58 } [ 0:14] 59 [ 0:14] 60 // types different [ 0:14] 61 { [ 0:14] 62 std::span s1{v}; // a span pointing at int. [ 0:14] 63 std::span< volatile int> s2{v}; // a span< volatile int> pointing at int. [ 0:14] 64 std::span< volatile int> s3{v}; // a span< volatile int> pointing at const int. [ 0:14] 65 std::span s4{v}; // a span pointing at int. [ 0:14] 66 } [ 0:14] 67 [ 0:14] 68 // Constructing a const view from a temporary [ 0:14] 69 { [ 0:14] 70 std::span s1{IsAContainer()}; [ 0:14] 71 std::span s3{std::vector()}; [ 0:14] 72 (void) s1; [ 0:14] 73 (void) s3; [ 0:14] 74 } [ 0:14] 75 } [ 0:14] 76 [ 0:14] 77 [ 0:14] 78 template [ 0:14] 79 constexpr bool testConstexprSpan() [ 0:14] 80 { [ 0:14] 81 constexpr IsAContainer val{}; [ 0:14] 82 std::span s1{val}; [ 0:14] 83 return s1.data() == val.getV() && s1.size() == 1; [ 0:14] 84 } [ 0:14] 85 [ 0:14] 86 [ 0:14] 87 template [ 0:14] 88 void testRuntimeSpan() [ 0:14] 89 { [ 0:14] 90 IsAContainer val{}; [ 0:14] 91 const IsAContainer cVal; [ 0:14] 92 std::span s1{val}; [ 0:14] 93 std::span s2{cVal}; [ 0:14] 94 assert(s1.data() == val.getV() && s1.size() == 1); [ 0:14] 95 assert(s2.data() == cVal.getV() && s2.size() == 1); [ 0:14] 96 } [ 0:14] 97 [ 0:14] 98 struct A{}; [ 0:14] 99 [ 0:14] 100 int main(int, char**) [ 0:14] 101 { [ 0:14] 102 static_assert(testConstexprSpan(), ""); [ 0:14] 103 static_assert(testConstexprSpan(), ""); [ 0:14] 104 static_assert(testConstexprSpan(), ""); [ 0:14] 105 static_assert(testConstexprSpan(), ""); [ 0:14] 106 [ 0:14] 107 testRuntimeSpan(); [ 0:14] 108 testRuntimeSpan(); [ 0:14] 109 testRuntimeSpan(); [ 0:14] 110 testRuntimeSpan(); [ 0:14] 111 testRuntimeSpan(); [ 0:14] 112 [ 0:14] 113 checkCV(); [ 0:14] 114 [ 0:14] 115 return 0; [ 0:14] 116 } [ 0:14] # no errors were expected but one was found anyway