[llvm] [Analysis] Ensure use of strict fp exceptions in ConstantFolding (PR #136139)

[LLVM Continuous Integration via llvm-commits]

llvm-ci wrote:

LLVM Buildbot has detected a new failure on builder `clang-hip-vega20` running on `hip-vega20-0` while building `llvm` at step 3 "annotate".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/123/builds/18325

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

```
Step 3 (annotate) failure: '../llvm-zorg/zorg/buildbot/builders/annotated/hip-build.sh --jobs=' (failure)
...
-- Generating done
-- Build files have been written to: /home/botworker/bbot/clang-hip-vega20/botworker/clang-hip-vega20/llvm
+ build_step 'Building LLVM'
+ echo '@@@BUILD_STEP Building LLVM@@@'
+ ninja
@@@BUILD_STEP Building LLVM@@@
[1/148] Generating VCSRevision.h
[2/148] Generating VCSVersion.inc
[3/148] Building CXX object tools/llvm-config/CMakeFiles/llvm-config.dir/llvm-config.cpp.o
[4/148] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ConstantFolding.cpp.o
FAILED: lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ConstantFolding.cpp.o 
ccache /usr/bin/c++ -DGTEST_HAS_RTTI=0 -DHAS_LOGF128 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/botworker/bbot/clang-hip-vega20/botworker/clang-hip-vega20/llvm/lib/Analysis -I/home/botworker/bbot/clang-hip-vega20/llvm-project/llvm/lib/Analysis -I/home/botworker/bbot/clang-hip-vega20/botworker/clang-hip-vega20/llvm/include -I/home/botworker/bbot/clang-hip-vega20/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long-long -Wimplicit-fallthrough -Wno-uninitialized -Wno-nonnull -Wno-class-memaccess -Wno-redundant-move -Wno-pessimizing-move -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment -Wno-misleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -std=c++17 -ffp-exception-behavior=strict -MD -MT lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ConstantFolding.cpp.o -MF lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ConstantFolding.cpp.o.d -o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ConstantFolding.cpp.o -c /home/botworker/bbot/clang-hip-vega20/llvm-project/llvm/lib/Analysis/ConstantFolding.cpp
c++: error: unrecognized command-line option ‘-ffp-exception-behavior=strict’
[5/148] Linking CXX executable bin/llvm-config
[6/148] Building CXX object tools/clang/lib/Basic/CMakeFiles/obj.clangBasic.dir/Version.cpp.o
[7/148] Building CXX object lib/Object/CMakeFiles/LLVMObject.dir/IRSymtab.cpp.o
[8/148] Building CXX object lib/CodeGen/AsmPrinter/CMakeFiles/LLVMAsmPrinter.dir/AsmPrinter.cpp.o
[9/148] Building CXX object lib/LTO/CMakeFiles/LLVMLTO.dir/LTO.cpp.o
ninja: build stopped: subcommand failed.
Step 7 (Building LLVM) failure: Building LLVM (failure)
@@@BUILD_STEP Building LLVM@@@
[1/148] Generating VCSRevision.h
[2/148] Generating VCSVersion.inc
[3/148] Building CXX object tools/llvm-config/CMakeFiles/llvm-config.dir/llvm-config.cpp.o
[4/148] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ConstantFolding.cpp.o
FAILED: lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ConstantFolding.cpp.o 
ccache /usr/bin/c++ -DGTEST_HAS_RTTI=0 -DHAS_LOGF128 -D_DEBUG -D_GLIBCXX_ASSERTIONS -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -I/home/botworker/bbot/clang-hip-vega20/botworker/clang-hip-vega20/llvm/lib/Analysis -I/home/botworker/bbot/clang-hip-vega20/llvm-project/llvm/lib/Analysis -I/home/botworker/bbot/clang-hip-vega20/botworker/clang-hip-vega20/llvm/include -I/home/botworker/bbot/clang-hip-vega20/llvm-project/llvm/include -fPIC -fno-semantic-interposition -fvisibility-inlines-hidden -Werror=date-time -Wall -Wextra -Wno-unused-parameter -Wwrite-strings -Wcast-qual -Wno-missing-field-initializers -pedantic -Wno-long-long -Wimplicit-fallthrough -Wno-uninitialized -Wno-nonnull -Wno-class-memaccess -Wno-redundant-move -Wno-pessimizing-move -Wno-noexcept-type -Wdelete-non-virtual-dtor -Wsuggest-override -Wno-comment -Wno-misleading-indentation -Wctad-maybe-unsupported -fdiagnostics-color -ffunction-sections -fdata-sections -O3 -DNDEBUG  -fno-exceptions -funwind-tables -fno-rtti -UNDEBUG -std=c++17 -ffp-exception-behavior=strict -MD -MT lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ConstantFolding.cpp.o -MF lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ConstantFolding.cpp.o.d -o lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ConstantFolding.cpp.o -c /home/botworker/bbot/clang-hip-vega20/llvm-project/llvm/lib/Analysis/ConstantFolding.cpp
c++: error: unrecognized command-line option ‘-ffp-exception-behavior=strict’
[5/148] Linking CXX executable bin/llvm-config
[6/148] Building CXX object tools/clang/lib/Basic/CMakeFiles/obj.clangBasic.dir/Version.cpp.o
[7/148] Building CXX object lib/Object/CMakeFiles/LLVMObject.dir/IRSymtab.cpp.o
[8/148] Building CXX object lib/CodeGen/AsmPrinter/CMakeFiles/LLVMAsmPrinter.dir/AsmPrinter.cpp.o
[9/148] Building CXX object lib/LTO/CMakeFiles/LLVMLTO.dir/LTO.cpp.o
ninja: build stopped: subcommand failed.
program finished with exit code 1
elapsedTime=33.564929

```

</details>

https://github.com/llvm/llvm-project/pull/136139