[llvm-bugs] [Bug 36373] New: Unexpected failing test pbump2gig.pass.cpp in libc++ for 6.0-rc2

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=36373

            Bug ID: 36373
           Summary: Unexpected failing test pbump2gig.pass.cpp in libc++
                    for 6.0-rc2
           Product: new-bugs
           Version: 6.0
          Hardware: SGI
                OS: Linux
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: simon.dardis at mips.com
                CC: llvm-bugs at lists.llvm.org

On a big endian mips64 system, the test-release.sh reports a failure in
pbump2gig.pass.cpp. This test failure did not occur on a little endian mips64
system. In both cases the binaries were compiled for mips32(el) as appropriate.

Reported test output:

Compiled With:
['/home/sdardis/releases/6.0.0/release/rc2/Phase2/Release/llvmCore-6.0.0-rc2.install/usr/local/bin/clang++',
'-o',
'/home/sdardis/releases/6.0.0/release/rc2/Phase3/Release/llvmCore-6.0.0-rc2.obj/projects/libcxx/test/std/input.output/stream.buffers/streambuf/streambuf.protected/streambuf.put.area/Output/pbump2gig.pass.cpp.o',
'-x', 'c++',
'/home/sdardis/releases/6.0.0/release/rc2/llvm.src/projects/libcxx/test/std/input.output/stream.buffers/streambuf/streambuf.protected/streambuf.put.area/pbump2gig.pass.cpp',
'-c', '-v', '-D_LIBCPP_DISABLE_AVAILABILITY', '-ftemplate-depth=270',
'-Werror=thread-safety', '-std=c++2a', '-include',
'/home/sdardis/releases/6.0.0/release/rc2/llvm.src/projects/libcxx/test/support/nasty_macros.hpp',
'-nostdinc++',
'-I/home/sdardis/releases/6.0.0/release/rc2/llvm.src/projects/libcxx/include',
'-I/home/sdardis/releases/6.0.0/release/rc2/Phase3/Release/llvmCore-6.0.0-rc2.obj/projects/libcxx/include/c++build',
'-D__STDC_FORMAT_MACROS', '-D__STDC_LIMIT_MACROS', '-D__STDC_CONSTANT_MACROS',
'-I/home/sdardis/releases/6.0.0/release/rc2/llvm.src/projects/libcxx/test/support',
'-DLIBCXX_FILESYSTEM_STATIC_TEST_ROOT="/home/sdardis/releases/6.0.0/release/rc2/llvm.src/projects/libcxx/test/std/experimental/filesystem/Inputs/static_test_env"',
'-DLIBCXX_FILESYSTEM_DYNAMIC_TEST_ROOT="/home/sdardis/releases/6.0.0/release/rc2/Phase3/Release/llvmCore-6.0.0-rc2.obj/projects/libcxx/test/filesystem/Output/dynamic_env"',
'-DLIBCXX_FILESYSTEM_DYNAMIC_TEST_HELPER="/usr/bin/python2.7
/home/sdardis/releases/6.0.0/release/rc2/llvm.src/projects/libcxx/test/support/filesystem_dynamic_test_helper.py"',
'-D_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER', '-Wall', '-Wextra', '-Werror',
'-Wuser-defined-warnings', '-Wshadow', '-Wno-unused-command-line-argument',
'-Wno-attributes', '-Wno-pessimizing-move', '-Wno-c++11-extensions',
'-Wno-user-defined-literals', '-Wno-noexcept-type',
'-Wno-aligned-allocation-unavailable', '-Wsign-compare', '-Wunused-variable',
'-Wunused-parameter', '-Wunreachable-code', '-Wno-conversion',
'-Wno-unused-local-typedef', '-Wno-#warnings', '-c', '&&',
'/home/sdardis/releases/6.0.0/release/rc2/Phase2/Release/llvmCore-6.0.0-rc2.install/usr/local/bin/clang++',
'-o',
'/home/sdardis/releases/6.0.0/release/rc2/Phase3/Release/llvmCore-6.0.0-rc2.obj/projects/libcxx/test/std/input.output/stream.buffers/streambuf/streambuf.protected/streambuf.put.area/Output/pbump2gig.pass.cpp.exe',
'/home/sdardis/releases/6.0.0/release/rc2/Phase3/Release/llvmCore-6.0.0-rc2.obj/projects/libcxx/test/std/input.output/stream.buffers/streambuf/streambuf.protected/streambuf.put.area/Output/pbump2gig.pass.cpp.o',
'-v', '-D_LIBCPP_DISABLE_AVAILABILITY', '-ftemplate-depth=270',
'-L/home/sdardis/releases/6.0.0/release/rc2/Phase3/Release/llvmCore-6.0.0-rc2.obj/./lib',
'-Wl,-rpath,/home/sdardis/releases/6.0.0/release/rc2/Phase3/Release/llvmCore-6.0.0-rc2.obj/./lib',
'-nodefaultlibs', '-lc++experimental', '-lc++', '-lm', '-lgcc_s', '-lgcc',
'-lpthread', '-lc', '-lgcc_s', '-lgcc']
Command:
['/home/sdardis/releases/6.0.0/release/rc2/Phase3/Release/llvmCore-6.0.0-rc2.obj/projects/libcxx/test/std/input.output/stream.buffers/streambuf/streambuf.protected/streambuf.put.area/Output/pbump2gig.pass.cpp.exe']
Exit Code: -6
Standard Error:
--
terminating with uncaught exception of type std::length_error: basic_string
--

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