[clang] [clang-tools-extra] [llvm] [clang][headers] Need a way for math.h to share the definitions of INIFINITY and NAN with float.h (PR #164348)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `sanitizer-aarch64-linux` running on `sanitizer-buildbot8` while building `clang-tools-extra,clang,llvm` at step 2 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/51/builds/25796

<details>
<summary>Here is the relevant piece of the build log for the reference</summary>

```
Step 2 (annotate) failure: 'python ../sanitizer_buildbot/sanitizers/zorg/buildbot/builders/sanitizers/buildbot_selector.py' (failure)
...
[182/186] Generating MSAN_INST_TEST_OBJECTS.msan_test.cpp.aarch64-with-call.o
[183/186] Generating Msan-aarch64-with-call-Test
[184/186] Generating MSAN_INST_TEST_OBJECTS.msan_test.cpp.aarch64.o
[185/186] Generating Msan-aarch64-Test
[185/186] Running compiler_rt regression tests
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/llvm/utils/lit/lit/discovery.py:276: warning: input '/home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/interception/Unit' contained no tests
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/llvm/utils/lit/lit/discovery.py:276: warning: input '/home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/sanitizer_common/Unit' contained no tests
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/llvm/utils/lit/lit/main.py:74: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 2956 of 5996 tests, 72 workers --
Testing:  0.. 10..
FAIL: ORC-aarch64-linux :: TestCases/Linux/aarch64/ehframe-libunwind.cpp (554 of 2956)
******************** TEST 'ORC-aarch64-linux :: TestCases/Linux/aarch64/ehframe-libunwind.cpp' FAILED ********************
Exit Code: 139

Command Output (stderr):
--
/home/b/sanitizer-aarch64-linux/build/build_default/./bin/clang  --driver-mode=g++   -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta   -fexceptions -fPIC -c -o /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/orc/AARCH64LinuxConfig/TestCases/Linux/aarch64/Output/ehframe-libunwind.cpp.tmp /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/orc/TestCases/Linux/aarch64/ehframe-libunwind.cpp # RUN: at line 2
+ /home/b/sanitizer-aarch64-linux/build/build_default/./bin/clang --driver-mode=g++ -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -fexceptions -fPIC -c -o /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/orc/AARCH64LinuxConfig/TestCases/Linux/aarch64/Output/ehframe-libunwind.cpp.tmp /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/orc/TestCases/Linux/aarch64/ehframe-libunwind.cpp
env LD_PRELOAD=/home/b/sanitizer-aarch64-linux/build/build_default/lib/aarch64-unknown-linux-gnu/libunwind.so /home/b/sanitizer-aarch64-linux/build/build_default/./bin/llvm-jitlink -orc-runtime=/home/b/sanitizer-aarch64-linux/build/build_default/./lib/../lib/clang/22/lib/aarch64-unknown-linux-gnu/liborc_rt.a /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/orc/AARCH64LinuxConfig/TestCases/Linux/aarch64/Output/ehframe-libunwind.cpp.tmp # RUN: at line 3
+ env LD_PRELOAD=/home/b/sanitizer-aarch64-linux/build/build_default/lib/aarch64-unknown-linux-gnu/libunwind.so /home/b/sanitizer-aarch64-linux/build/build_default/./bin/llvm-jitlink -orc-runtime=/home/b/sanitizer-aarch64-linux/build/build_default/./lib/../lib/clang/22/lib/aarch64-unknown-linux-gnu/liborc_rt.a /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/orc/AARCH64LinuxConfig/TestCases/Linux/aarch64/Output/ehframe-libunwind.cpp.tmp
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and instructions to reproduce the bug.
#0 0x0000ab505c5165d0 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/b/sanitizer-aarch64-linux/build/build_default/./bin/llvm-jitlink+0x2a965d0)
#1 0x0000ab505c513f54 llvm::sys::RunSignalHandlers() (/home/b/sanitizer-aarch64-linux/build/build_default/./bin/llvm-jitlink+0x2a93f54)
#2 0x0000ab505c517418 SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
#3 0x0000fbb39f8459c0 (linux-vdso.so.1+0x9c0)
#4 0x0000ab505c324934 llvm::orc::AsynchronousSymbolQuery::handleComplete(llvm::orc::ExecutionSession&)::RunQueryCompleteTask::run() Core.cpp:0:0
#5 0x0000ab505c3f74b8 std::thread::_State_impl<std::thread::_Invoker<std::tuple<llvm::orc::DynamicThreadPoolTaskDispatcher::dispatch(std::unique_ptr<llvm::orc::Task, std::default_delete<llvm::orc::Task>>)::$_0>>>::_M_run() TaskDispatch.cpp:0:0
#6 0x0000fbb39f447ba0 (/lib/aarch64-linux-gnu/libstdc++.so.6+0xe7ba0)
#7 0x0000fbb39f1d861c (/lib/aarch64-linux-gnu/libc.so.6+0x8861c)
#8 0x0000fbb39f242a8c (/lib/aarch64-linux-gnu/libc.so.6+0xf2a8c)
/home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/orc/AARCH64LinuxConfig/TestCases/Linux/aarch64/Output/ehframe-libunwind.cpp.script: line 2: 3991224 Segmentation fault      (core dumped) env LD_PRELOAD=/home/b/sanitizer-aarch64-linux/build/build_default/lib/aarch64-unknown-linux-gnu/libunwind.so /home/b/sanitizer-aarch64-linux/build/build_default/./bin/llvm-jitlink -orc-runtime=/home/b/sanitizer-aarch64-linux/build/build_default/./lib/../lib/clang/22/lib/aarch64-unknown-linux-gnu/liborc_rt.a /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/orc/AARCH64LinuxConfig/TestCases/Linux/aarch64/Output/ehframe-libunwind.cpp.tmp

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.. 

2 warning(s) in tests
Slowest Tests:
--------------------------------------------------------------------------
74.07s: ThreadSanitizer-aarch64 :: deadlock_detector_stress_test.cpp
38.01s: ThreadSanitizer-aarch64 :: restore_stack.cpp
32.94s: libFuzzer-aarch64-default-Linux :: value-profile-set.test
32.60s: ThreadSanitizer-aarch64 :: bench_threads.cpp
31.58s: libFuzzer-aarch64-libcxx-Linux :: value-profile-set.test
29.53s: libFuzzer-aarch64-static-libcxx-Linux :: value-profile-set.test
21.55s: libFuzzer-aarch64-default-Linux :: minimize_crash.test
21.23s: libFuzzer-aarch64-libcxx-Linux :: minimize_crash.test
19.85s: ThreadSanitizer-aarch64 :: signal_thread.cpp
Step 11 (test compiler-rt debug) failure: test compiler-rt debug (failure)
...
[182/186] Generating MSAN_INST_TEST_OBJECTS.msan_test.cpp.aarch64-with-call.o
[183/186] Generating Msan-aarch64-with-call-Test
[184/186] Generating MSAN_INST_TEST_OBJECTS.msan_test.cpp.aarch64.o
[185/186] Generating Msan-aarch64-Test
[185/186] Running compiler_rt regression tests
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/llvm/utils/lit/lit/discovery.py:276: warning: input '/home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/interception/Unit' contained no tests
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/llvm/utils/lit/lit/discovery.py:276: warning: input '/home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/sanitizer_common/Unit' contained no tests
llvm-lit: /home/b/sanitizer-aarch64-linux/build/llvm-project/llvm/utils/lit/lit/main.py:74: note: The test suite configuration requested an individual test timeout of 0 seconds but a timeout of 900 seconds was requested on the command line. Forcing timeout to be 900 seconds.
-- Testing: 2956 of 5996 tests, 72 workers --
Testing:  0.. 10..
FAIL: ORC-aarch64-linux :: TestCases/Linux/aarch64/ehframe-libunwind.cpp (554 of 2956)
******************** TEST 'ORC-aarch64-linux :: TestCases/Linux/aarch64/ehframe-libunwind.cpp' FAILED ********************
Exit Code: 139

Command Output (stderr):
--
/home/b/sanitizer-aarch64-linux/build/build_default/./bin/clang  --driver-mode=g++   -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta   -fexceptions -fPIC -c -o /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/orc/AARCH64LinuxConfig/TestCases/Linux/aarch64/Output/ehframe-libunwind.cpp.tmp /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/orc/TestCases/Linux/aarch64/ehframe-libunwind.cpp # RUN: at line 2
+ /home/b/sanitizer-aarch64-linux/build/build_default/./bin/clang --driver-mode=g++ -Wthread-safety -Wthread-safety-reference -Wthread-safety-beta -fexceptions -fPIC -c -o /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/orc/AARCH64LinuxConfig/TestCases/Linux/aarch64/Output/ehframe-libunwind.cpp.tmp /home/b/sanitizer-aarch64-linux/build/llvm-project/compiler-rt/test/orc/TestCases/Linux/aarch64/ehframe-libunwind.cpp
env LD_PRELOAD=/home/b/sanitizer-aarch64-linux/build/build_default/lib/aarch64-unknown-linux-gnu/libunwind.so /home/b/sanitizer-aarch64-linux/build/build_default/./bin/llvm-jitlink -orc-runtime=/home/b/sanitizer-aarch64-linux/build/build_default/./lib/../lib/clang/22/lib/aarch64-unknown-linux-gnu/liborc_rt.a /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/orc/AARCH64LinuxConfig/TestCases/Linux/aarch64/Output/ehframe-libunwind.cpp.tmp # RUN: at line 3
+ env LD_PRELOAD=/home/b/sanitizer-aarch64-linux/build/build_default/lib/aarch64-unknown-linux-gnu/libunwind.so /home/b/sanitizer-aarch64-linux/build/build_default/./bin/llvm-jitlink -orc-runtime=/home/b/sanitizer-aarch64-linux/build/build_default/./lib/../lib/clang/22/lib/aarch64-unknown-linux-gnu/liborc_rt.a /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/orc/AARCH64LinuxConfig/TestCases/Linux/aarch64/Output/ehframe-libunwind.cpp.tmp
PLEASE submit a bug report to https://github.com/llvm/llvm-project/issues/ and include the crash backtrace and instructions to reproduce the bug.
#0 0x0000ab505c5165d0 llvm::sys::PrintStackTrace(llvm::raw_ostream&, int) (/home/b/sanitizer-aarch64-linux/build/build_default/./bin/llvm-jitlink+0x2a965d0)
#1 0x0000ab505c513f54 llvm::sys::RunSignalHandlers() (/home/b/sanitizer-aarch64-linux/build/build_default/./bin/llvm-jitlink+0x2a93f54)
#2 0x0000ab505c517418 SignalHandler(int, siginfo_t*, void*) Signals.cpp:0:0
#3 0x0000fbb39f8459c0 (linux-vdso.so.1+0x9c0)
#4 0x0000ab505c324934 llvm::orc::AsynchronousSymbolQuery::handleComplete(llvm::orc::ExecutionSession&)::RunQueryCompleteTask::run() Core.cpp:0:0
#5 0x0000ab505c3f74b8 std::thread::_State_impl<std::thread::_Invoker<std::tuple<llvm::orc::DynamicThreadPoolTaskDispatcher::dispatch(std::unique_ptr<llvm::orc::Task, std::default_delete<llvm::orc::Task>>)::$_0>>>::_M_run() TaskDispatch.cpp:0:0
#6 0x0000fbb39f447ba0 (/lib/aarch64-linux-gnu/libstdc++.so.6+0xe7ba0)
#7 0x0000fbb39f1d861c (/lib/aarch64-linux-gnu/libc.so.6+0x8861c)
#8 0x0000fbb39f242a8c (/lib/aarch64-linux-gnu/libc.so.6+0xf2a8c)
/home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/orc/AARCH64LinuxConfig/TestCases/Linux/aarch64/Output/ehframe-libunwind.cpp.script: line 2: 3991224 Segmentation fault      (core dumped) env LD_PRELOAD=/home/b/sanitizer-aarch64-linux/build/build_default/lib/aarch64-unknown-linux-gnu/libunwind.so /home/b/sanitizer-aarch64-linux/build/build_default/./bin/llvm-jitlink -orc-runtime=/home/b/sanitizer-aarch64-linux/build/build_default/./lib/../lib/clang/22/lib/aarch64-unknown-linux-gnu/liborc_rt.a /home/b/sanitizer-aarch64-linux/build/build_default/runtimes/runtimes-bins/compiler-rt/test/orc/AARCH64LinuxConfig/TestCases/Linux/aarch64/Output/ehframe-libunwind.cpp.tmp

--

********************
Testing:  0.. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90..

2 warning(s) in tests
Slowest Tests:
--------------------------------------------------------------------------
74.07s: ThreadSanitizer-aarch64 :: deadlock_detector_stress_test.cpp
38.01s: ThreadSanitizer-aarch64 :: restore_stack.cpp
32.94s: libFuzzer-aarch64-default-Linux :: value-profile-set.test
32.60s: ThreadSanitizer-aarch64 :: bench_threads.cpp
31.58s: libFuzzer-aarch64-libcxx-Linux :: value-profile-set.test
29.53s: libFuzzer-aarch64-static-libcxx-Linux :: value-profile-set.test
21.55s: libFuzzer-aarch64-default-Linux :: minimize_crash.test
21.23s: libFuzzer-aarch64-libcxx-Linux :: minimize_crash.test
19.85s: ThreadSanitizer-aarch64 :: signal_thread.cpp

```

</details>

https://github.com/llvm/llvm-project/pull/164348