[ 0:01] compiling /home/xrockai/src/divine/nightly/test/libcxx/containers/back.pass.cpp [ 0:01] In file included from /home/xrockai/src/divine/nightly/test/libcxx/containers/back.pass.cpp:22: [ 0:01] In file included from /dios/libcxx/include/span:132: [ 0:01] In file included from /dios/libcxx/include/cstddef:44: [ 0:01] In file included from /dios/include/stddef.h:10: [ 0:01] In file included from /dios/include/_PDCLIB/int.h:16: [ 0:01] /dios/include/_PDCLIB/cdefs.h:69:10: warning: Unsupported _ _cplusplus (__cplusplus) (too new) (supported: ISO/IEC 14882:1997, ISO/IEC 14882:2011). [ 0:01] #warning Unsupported _ _cplusplus (__cplusplus) (too new) (supported: ISO/IEC 14882:1997, ISO/IEC 14882:2011). [ 0:01] ^ [ 0:01] 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.0/_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' [ 0:08] [ 0:08] 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 [ 0:14] i:1 [ 0:14] KLEE: WARNING ONCE: Alignment of memory from call "klee_malloc" is not modelled. Using alignment of 8. [ 0:14] about to __boot:0 [ 0:14] about to run the scheduler:0 [ 0:14] KLEE: WARNING ONCE: calling external: __dios_tainted_init() at /dios/libc/sys/start.cpp:49 5 [ 0:14] KLEE: ERROR: /dios/libc/sys/start.cpp:87: failed external call: __dios_tainted_init [ 0:14] KLEE: NOTE: now ignoring this error at this location [ 0:14] 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: 66577 [ 0:14] Stack: [ 0:14] #000066577 in __dios_start (l=2, argc=1, argv=94567858041352, envp=94567858102280) at /dios/libc/sys/start.cpp:87 [ 0:14] #100014579 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163 [ 0:14] #200075157 in klee_boot (argc=2, argv=94567815708160) 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 // constexpr reference back() const noexcept; [ 0:14] 17 // Expects: empty() is false. [ 0:14] 18 // Effects: Equivalent to: return *(data() + (size() - 1)); [ 0:14] 19 // [ 0:14] 20 [ 0:14] 21 [ 0:14] 22 #include [ 0:14] 23 #include [ 0:14] 24 #include [ 0:14] 25 [ 0:14] 26 #include "test_macros.h" [ 0:14] 27 [ 0:14] 28 [ 0:14] 29 template [ 0:14] 30 constexpr bool testConstexprSpan(Span sp) [ 0:14] 31 { [ 0:14] 32 LIBCPP_ASSERT(noexcept(sp.back())); [ 0:14] 33 return std::addressof(sp.back()) == sp.data() + sp.size() - 1; [ 0:14] 34 } [ 0:14] 35 [ 0:14] 36 [ 0:14] 37 template [ 0:14] 38 void testRuntimeSpan(Span sp) [ 0:14] 39 { [ 0:14] 40 LIBCPP_ASSERT(noexcept(sp.back())); [ 0:14] 41 assert(std::addressof(sp.back()) == sp.data() + sp.size() - 1); [ 0:14] 42 } [ 0:14] 43 [ 0:14] 44 [ 0:14] 45 struct A{}; [ 0:14] 46 constexpr int iArr1[] = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9}; [ 0:14] 47 int iArr2[] = {10, 11, 12, 13, 14, 15, 16, 17, 18, 19}; [ 0:14] 48 [ 0:14] 49 int main(int, char**) [ 0:14] 50 { [ 0:14] 51 static_assert(testConstexprSpan(std::span(iArr1, 1)), ""); [ 0:14] 52 static_assert(testConstexprSpan(std::span(iArr1, 2)), ""); [ 0:14] 53 static_assert(testConstexprSpan(std::span(iArr1, 3)), ""); [ 0:14] 54 static_assert(testConstexprSpan(std::span(iArr1, 4)), ""); [ 0:14] 55 [ 0:14] 56 static_assert(testConstexprSpan(std::span(iArr1, 1)), ""); [ 0:14] 57 static_assert(testConstexprSpan(std::span(iArr1, 2)), ""); [ 0:14] 58 static_assert(testConstexprSpan(std::span(iArr1, 3)), ""); [ 0:14] 59 static_assert(testConstexprSpan(std::span(iArr1, 4)), ""); [ 0:14] 60 [ 0:14] 61 [ 0:14] 62 testRuntimeSpan(std::span(iArr2, 1)); [ 0:14] 63 testRuntimeSpan(std::span(iArr2, 2)); [ 0:14] 64 testRuntimeSpan(std::span(iArr2, 3)); [ 0:14] 65 testRuntimeSpan(std::span(iArr2, 4)); [ 0:14] 66 [ 0:14] 67 [ 0:14] 68 testRuntimeSpan(std::span(iArr2, 1)); [ 0:14] 69 testRuntimeSpan(std::span(iArr2, 2)); [ 0:14] 70 testRuntimeSpan(std::span(iArr2, 3)); [ 0:14] 71 testRuntimeSpan(std::span(iArr2, 4)); [ 0:14] 72 [ 0:14] 73 std::string s; [ 0:14] 74 testRuntimeSpan(std::span (&s, 1)); [ 0:14] 75 testRuntimeSpan(std::span(&s, 1)); [ 0:14] 76 [ 0:14] 77 return 0; [ 0:14] 78 } [ 0:14] # no errors were expected but one was found anyway