[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 `bolt-x86_64-ubuntu-clang` running on `bolt-worker` while building `llvm` at step 5 "build-clang-bolt".

Full details are available at: https://lab.llvm.org/buildbot/#/builders/113/builds/6998

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

```
Step 5 (build-clang-bolt) failure: build (failure)
...
6.500 [1503/18/1720] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DependenceAnalysis.cpp.o
6.501 [1502/18/1721] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DomConditionCache.cpp.o
6.502 [1501/18/1722] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DominanceFrontier.cpp.o
6.504 [1500/18/1723] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DomTreeUpdater.cpp.o
6.505 [1499/18/1724] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DXILResource.cpp.o
6.505 [1498/18/1725] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DomPrinter.cpp.o
6.506 [1497/18/1726] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/EphemeralValuesCache.cpp.o
6.506 [1496/18/1727] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DXILMetadataAnalysis.cpp.o
6.510 [1495/18/1728] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/FunctionPropertiesAnalysis.cpp.o
6.510 [1494/18/1729] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ConstantFolding.cpp.o
FAILED: lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ConstantFolding.cpp.o 
ccache /usr/bin/g++ -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/worker/bolt-worker2/bolt-x86_64-ubuntu-clang/build/lib/Analysis -I/home/worker/bolt-worker2/bolt-x86_64-ubuntu-clang/llvm-project/llvm/lib/Analysis -I/home/worker/bolt-worker2/bolt-x86_64-ubuntu-clang/build/include -I/home/worker/bolt-worker2/bolt-x86_64-ubuntu-clang/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/worker/bolt-worker2/bolt-x86_64-ubuntu-clang/llvm-project/llvm/lib/Analysis/ConstantFolding.cpp
g++: error: unrecognized command-line option ‘-ffp-exception-behavior=strict’
6.511 [1494/17/1730] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/GlobalsModRef.cpp.o
6.511 [1494/16/1731] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/GuardUtils.cpp.o
6.512 [1494/15/1732] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/HeatUtils.cpp.o
6.515 [1494/14/1733] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/IRSimilarityIdentifier.cpp.o
6.516 [1494/13/1734] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/IndirectCallPromotionAnalysis.cpp.o
6.517 [1494/12/1735] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/IVDescriptors.cpp.o
6.518 [1494/11/1736] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/IVUsers.cpp.o
6.518 [1494/10/1737] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ImportedFunctionsInliningStatistics.cpp.o
6.520 [1494/9/1738] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InlineCost.cpp.o
6.520 [1494/8/1739] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InlineSizeEstimatorAnalysis.cpp.o
6.522 [1494/7/1740] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InlineAdvisor.cpp.o
6.522 [1494/6/1741] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InlineOrder.cpp.o
6.540 [1494/5/1742] Building X86GenFastISel.inc...
6.939 [1494/4/1743] Building X86GenGlobalISel.inc...
7.475 [1494/3/1744] Building X86GenSubtargetInfo.inc...
7.875 [1494/2/1745] Building X86GenDAGISel.inc...
8.667 [1494/1/1746] Building X86GenInstrInfo.inc...
ninja: build stopped: subcommand failed.

```

</details>

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