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

Full details are available at: https://lab.llvm.org/buildbot/#/builders/119/builds/5401

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

```
Step 5 (build-bolt) failure: build (failure)
...
8.092 [873/18/1193] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DomPrinter.cpp.o
8.094 [872/18/1194] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DXILMetadataAnalysis.cpp.o
8.095 [871/18/1195] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/EphemeralValuesCache.cpp.o
8.095 [870/18/1196] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DominanceFrontier.cpp.o
8.096 [869/18/1197] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DXILResource.cpp.o
8.097 [868/18/1198] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/DomTreeUpdater.cpp.o
8.100 [867/18/1199] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/HeatUtils.cpp.o
8.101 [866/18/1200] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/FunctionPropertiesAnalysis.cpp.o
8.102 [865/18/1201] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/GuardUtils.cpp.o
8.104 [864/18/1202] 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 -DLLVM_EXPORTS -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-dylib/build/lib/Analysis -I/home/worker/bolt-worker2/bolt-x86_64-ubuntu-dylib/llvm-project/llvm/lib/Analysis -I/home/worker/bolt-worker2/bolt-x86_64-ubuntu-dylib/build/include -I/home/worker/bolt-worker2/bolt-x86_64-ubuntu-dylib/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-dylib/llvm-project/llvm/lib/Analysis/ConstantFolding.cpp
c++: error: unrecognized command-line option ‘-ffp-exception-behavior=strict’
8.106 [864/17/1203] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/IVDescriptors.cpp.o
8.107 [864/16/1204] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/IndirectCallPromotionAnalysis.cpp.o
8.110 [864/15/1205] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/IRSimilarityIdentifier.cpp.o
8.110 [864/14/1206] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/IVUsers.cpp.o
8.111 [864/13/1207] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/ImportedFunctionsInliningStatistics.cpp.o
8.111 [864/12/1208] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/GlobalsModRef.cpp.o
8.112 [864/11/1209] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InstCount.cpp.o
8.114 [864/10/1210] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InlineCost.cpp.o
8.115 [864/9/1211] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InlineSizeEstimatorAnalysis.cpp.o
8.116 [864/8/1212] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InlineOrder.cpp.o
8.116 [864/7/1213] Building CXX object lib/Analysis/CMakeFiles/LLVMAnalysis.dir/InlineAdvisor.cpp.o
8.282 [864/6/1214] Building AArch64GenGlobalISel.inc...
8.755 [864/5/1215] Building X86GenDAGISel.inc...
9.267 [864/4/1216] Building X86GenSubtargetInfo.inc...
9.833 [864/3/1217] Building X86GenInstrInfo.inc...
11.481 [864/2/1218] Building AArch64GenSubtargetInfo.inc...
14.867 [864/1/1219] Building RISCVGenDAGISel.inc...
ninja: build stopped: subcommand failed.

```

</details>

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