[llvm-bugs] [Bug 50303] New: OpenMP Tests Fail on Non-Debain 32-bit Distros: bits/c++config.h not found

[via llvm-bugs]

https://bugs.llvm.org/show_bug.cgi?id=50303

            Bug ID: 50303
           Summary: OpenMP Tests Fail on Non-Debain 32-bit Distros:
                    bits/c++config.h not found
           Product: new-bugs
           Version: unspecified
          Hardware: PC
                OS: Windows NT
            Status: NEW
          Severity: enhancement
          Priority: P
         Component: new bugs
          Assignee: unassignedbugs at nondot.org
          Reporter: lukebenes at hotmail.com
                CC: htmldeveloper at gmail.com, llvm-bugs at lists.llvm.org

Created attachment 24851
  --> https://bugs.llvm.org/attachment.cgi?id=24851&action=edit
Full build log

On both Arch Linux 32 and i686 OpenSUSE Tumbleweed, the OpenMP tests fail after
The fix for Bug 49827, 
https://github.com/llvm/llvm-project/commit/e92d2b80c6c9


Failed Tests (14):
  libomp :: api/omp_display_env0.c
  libomp :: ompt/misc/api_calls_from_other_thread.cpp
  libomp :: ompt/misc/interoperability.cpp
  libomp :: tasking/bug_taskwait_detach.cpp
  libomp :: tasking/hidden_helper_task/capacity_mix_threads.cpp
  libomp :: tasking/hidden_helper_task/capacity_nthreads.cpp
  libomp :: tasking/hidden_helper_task/depend.cpp
  libomp :: tasking/hidden_helper_task/gtid.cpp
  libomp :: tasking/hidden_helper_task/taskgroup.cpp
  libomp :: tasking/kmp_task_modifier_simple_par_new.cpp
  libomp :: tasking/kmp_task_modifier_simple_par_old.cpp
  libomp :: tasking/kmp_task_modifier_simple_ws_new.cpp
  libomp :: tasking/kmp_task_modifier_simple_ws_old.cpp
  libomp :: tasking/kmp_task_reduction_nest.cpp

Here is a sample failure

******************** TEST 'libomp :: tasking/kmp_task_reduction_nest.cpp'
FAILED ********************
Script:
--

Exit Code: 1

Command Output (stdout):
--
$ ":" "RUN: at line 1"
$ "/lo/llvm-project/build/./bin/clang++" "-fopenmp" "-pthread"
"-fno-experimental-isel" "-I" "/lo/llvm-project/openmp/runtime/test" "-I"
"/lo/llvm-project/build/projects/openmp/runtime/src" "-L"
"/lo/llvm-project/build/lib" "-I" "/lo/llvm-project/openmp/runtime/test/ompt"
"-std=c++14"
"/lo/llvm-project/openmp/runtime/test/tasking/kmp_task_reduction_nest.cpp" "-o"
"/lo/llvm-project/build/projects/openmp/runtime/test/tasking/Output/kmp_task_reduction_nest.cpp.tmp"
"-lm" "-latomic"
# command stderr:
In file included from
/lo/llvm-project/openmp/runtime/test/tasking/kmp_task_reduction_nest.cpp:5:
/usr/lib/gcc/i586-suse-linux/10/../../../../include/c++/10/cstdio:41:10: fatal
error: 'bits/c++config.h' file not found
#include <bits/c++config.h>
         ^~~~~~~~~~~~~~~~~~
1 error generated.

error: command failed with exit status: 1

--

Both release and debug builds fail. Both gcc and clang builds fail with the
same error.

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