OsUtilsTest.getCurrentDSODir SYCL unit test failing when compiler built with libc++ #19626
Description
Describe the bug
2025-07-29T16:56:03.5024377Z [ RUN ] OsUtilsTest.getCurrentDSODir
2025-07-29T16:56:03.5025130Z MiscTests: /__w/llvm/llvm/src/sycl/source/detail/os_util.cpp:121: static std::string sycl::detail::OSUtil::getCurrentDSODir(): Assertion `Perm[0] == 'r' && Perm[2] == 'x' && "Invalid flags in /proc/self/maps"' failed.
2025-07-29T16:56:03.5025667Z Stack dump without symbol names (ensure you have llvm-symbolizer in your PATH or set the environment var `LLVM_SYMBOLIZER_PATH` to point to it):
2025-07-29T16:56:03.5025774Z 0 MiscTests 0x0000557dcce904d8
2025-07-29T16:56:03.5025936Z 1 MiscTests 0x0000557dcce8e4cc
2025-07-29T16:56:03.5026052Z 2 MiscTests 0x0000557dcce90f29
2025-07-29T16:56:03.5026153Z 3 libc.so.6 0x0000784c45005330
2025-07-29T16:56:03.5026306Z 4 libc.so.6 0x0000784c4505eb2c pthread_kill + 284
2025-07-29T16:56:03.5026436Z 5 libc.so.6 0x0000784c4500527e gsignal + 30
2025-07-29T16:56:03.5026556Z 6 libc.so.6 0x0000784c44fe88ff abort + 223
2025-07-29T16:56:03.5026651Z 7 libc.so.6 0x0000784c44fe881b
2025-07-29T16:56:03.5026762Z 8 libc.so.6 0x0000784c44ffb517
2025-07-29T16:56:03.5027023Z 9 libsycl.so.8 0x0000784c4ce2869a sycl::_V1::detail::OSUtil::getCurrentDSODir() + 714
2025-07-29T16:56:03.5027120Z 10 MiscTests 0x0000557dcce82254
2025-07-29T16:56:03.5027226Z 11 MiscTests 0x0000557dccecfa60
2025-07-29T16:56:03.5027322Z 12 MiscTests 0x0000557dcced0739
2025-07-29T16:56:03.5027415Z 13 MiscTests 0x0000557dcced15c5
2025-07-29T16:56:03.5027521Z 14 MiscTests 0x0000557dccedfc7d
2025-07-29T16:56:03.5027620Z 15 MiscTests 0x0000557dccedf137
2025-07-29T16:56:03.5027712Z 16 MiscTests 0x0000557dccebfc7c
2025-07-29T16:56:03.5027803Z 17 libc.so.6 0x0000784c44fea1ca
2025-07-29T16:56:03.5027962Z 18 libc.so.6 0x0000784c44fea28b __libc_start_main + 139
2025-07-29T16:56:03.5028056Z 19 MiscTests 0x0000557dcce7eed5
2025-07-29T16:56:03.5028147Z Subprocess aborted
To repo build with clang and --use-libcxx
https://github.com/intel/llvm/actions/runs/16600860644/job/46959831643
To reproduce
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Environment
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Additional context
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