[ 0:01] compiling /home/xrockai/src/divine/nightly/test/libcxx/containers/PR28469_undefined_behavior_segfault.sh.cpp [ 0:01] In file included from /home/xrockai/src/divine/nightly/test/libcxx/containers/PR28469_undefined_behavior_segfault.sh.cpp:20: [ 0:01] In file included from /dios/libcxx/include/functional:494: [ 0:01] In file included from /dios/libcxx/include/type_traits:417: [ 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. [ 0:02] compiling /dios/lib/config/seqklee.bc [ 0:02] 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.9/_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 [ 0:12] KLEE: WARNING: undefined reference to function: __dios_tainted_init [ 0:12] KLEE: WARNING: undefined reference to function: klee_free [ 0:12] KLEE: WARNING: undefined reference to function: klee_malloc [ 0:12] KLEE: WARNING ONCE: Using zero size array fix for landingpad instruction filter [ 0:12] i:1 [ 0:12] KLEE: WARNING ONCE: Alignment of memory from call "klee_malloc" is not modelled. Using alignment of 8. [ 0:12] about to __boot:0 [ 0:12] about to run the scheduler:0 [ 0:12] KLEE: WARNING ONCE: calling external: __dios_tainted_init() at /dios/libc/sys/start.cpp:49 5 [ 0:12] KLEE: ERROR: /dios/libc/sys/start.cpp:87: failed external call: __dios_tainted_init [ 0:12] KLEE: NOTE: now ignoring this error at this location [ 0:12] KLEE: ERROR: EXITING ON ERROR: [ 0:12] Error: failed external call: __dios_tainted_init [ 0:12] File: /dios/libc/sys/start.cpp [ 0:12] Line: 87 [ 0:12] assembly.ll line: 68509 [ 0:12] Stack: [ 0:12] #000068509 in __dios_start (l=2, argc=1, argv=94571296051720, envp=94571296112648) at /dios/libc/sys/start.cpp:87 [ 0:12] #100016355 in _ZN6__dios10sched_nullINS_5ClockINS_10NondetKleeINS_4BaseEEEEEE13run_schedulerINS_7ContextEEEvv () at /dios/sys/sched_null.hpp:163 [ 0:12] #200077106 in klee_boot (argc=2, argv=94571264273792) at /dios/arch/klee/boot.c:41 [ 0:12] [ 0:12] [ 0:12] 1 /* TAGS: c++ fin */ [ 0:12] 2 /* CC_OPTS: -std=c++2a */ [ 0:12] 3 /* VERIFY_OPTS: -o nofail:malloc */ [ 0:12] 4 //===----------------------------------------------------------------------===// [ 0:12] 5 // [ 0:12] 6 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. [ 0:12] 7 // See https://llvm.org/LICENSE.txt for license information. [ 0:12] 8 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception [ 0:12] 9 // [ 0:12] 10 //===----------------------------------------------------------------------===// [ 0:12] 11 [ 0:12] 12 // RUN: %build -O2 [ 0:12] 13 // RUN: %run [ 0:12] 14 [ 0:12] 15 // [ 0:12] 16 [ 0:12] 17 // Previously this code caused a segfault when compiled at -O2 due to undefined [ 0:12] 18 // behavior in __tree. See https://bugs.llvm.org/show_bug.cgi?id=28469 [ 0:12] 19 [ 0:12] 20 #include [ 0:12] 21 #include [ 0:12] 22 [ 0:12] 23 void dummy() {} [ 0:12] 24 [ 0:12] 25 struct F { [ 0:12] 26 std::map > m; [ 0:12] 27 F() { m[42] = &dummy; } [ 0:12] 28 }; [ 0:12] 29 [ 0:12] 30 int main(int, char**) { [ 0:12] 31 F f; [ 0:12] 32 f = F(); [ 0:12] 33 [ 0:12] 34 return 0; [ 0:12] 35 } [ 0:12] # no errors were expected but one was found anyway