[ 0:00] compiling /home/xrockai/src/divine/nightly/test/libcxx/strings/front.pass.cpp [ 0:00] In file included from /home/xrockai/src/divine/nightly/test/libcxx/strings/front.pass.cpp:17: [ 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.22/_klee_out" [ 0:03] KLEE: Using Z3 solver backend [ 0:03] WARNING: this target does not support the llvm.stacksave intrinsic. [ 0:03] 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' [ 0:03] [ 0:03] 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: [ 0:06] Error: failed external call: __dios_tainted_init [ 0:06] File: /dios/libc/sys/start.cpp [ 0:06] Line: 87 [ 0:06] assembly.ll line: 34442 [ 0:06] Stack: [ 0:06] #000034442 in __dios_start (l=2, argc=1, argv=93902014419464, envp=93902014488584) at /dios/libc/sys/start.cpp:87 [ 0:06] #100010451 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163 [ 0:06] #200042690 in klee_boot (argc=2, argv=93901989092096) at /dios/arch/klee/boot.c:41 [ 0:06] [ 0:06] [ 0:06] 1 /* TAGS: c++ fin */ [ 0:06] 2 /* CC_OPTS: -std=c++2a */ [ 0:06] 3 /* VERIFY_OPTS: -o nofail:malloc */ [ 0:06] 4 //===----------------------------------------------------------------------===// [ 0:06] 5 // [ 0:06] 6 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. [ 0:06] 7 // See https://llvm.org/LICENSE.txt for license information. [ 0:06] 8 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception [ 0:06] 9 // [ 0:06] 10 //===----------------------------------------------------------------------===// [ 0:06] 11 [ 0:06] 12 [ 0:06] 13 // [ 0:06] 14 [ 0:06] 15 // constexpr const _CharT& back(); [ 0:06] 16 [ 0:06] 17 #include [ 0:06] 18 #include [ 0:06] 19 [ 0:06] 20 #include "test_macros.h" [ 0:06] 21 [ 0:06] 22 template [ 0:06] 23 bool test ( const CharT *s, size_t len ) { [ 0:06] 24 typedef std::basic_string_view SV; [ 0:06] 25 SV sv ( s, len ); [ 0:06] 26 ASSERT_SAME_TYPE(decltype(sv.front()), typename SV::const_reference); [ 0:06] 27 LIBCPP_ASSERT_NOEXCEPT( sv.front()); [ 0:06] 28 assert ( sv.length() == len ); [ 0:06] 29 assert ( sv.front() == s[0] ); [ 0:06] 30 return &sv.front() == s; [ 0:06] 31 } [ 0:06] 32 [ 0:06] 33 int main(int, char**) { [ 0:06] 34 assert ( test ( "ABCDE", 5 )); [ 0:06] 35 assert ( test ( "a", 1 )); [ 0:06] 36 [ 0:06] 37 assert ( test ( L"ABCDE", 5 )); [ 0:06] 38 assert ( test ( L"a", 1 )); [ 0:06] 39 [ 0:06] 40 #if TEST_STD_VER >= 11 [ 0:06] 41 assert ( test ( u"ABCDE", 5 )); [ 0:06] 42 assert ( test ( u"a", 1 )); [ 0:06] 43 [ 0:06] 44 assert ( test ( U"ABCDE", 5 )); [ 0:06] 45 assert ( test ( U"a", 1 )); [ 0:06] 46 #endif [ 0:06] 47 [ 0:06] 48 #if TEST_STD_VER >= 11 [ 0:06] 49 { [ 0:06] 50 constexpr std::basic_string_view sv ( "ABC", 2 ); [ 0:06] 51 static_assert ( sv.length() == 2, "" ); [ 0:06] 52 static_assert ( sv.front() == 'A', "" ); [ 0:06] 53 } [ 0:06] 54 #endif [ 0:06] 55 [ 0:06] 56 return 0; [ 0:06] 57 } [ 0:06] # no errors were expected but one was found anyway