[clang] Make fp contract(on) not overwrite earlier contract(fast) and CLI --ffp-contract=fast(-honor-pragmas)#169859

mikolaj-pirog wants to merge 4 commits intollvm:mainllvm/llvm-project:mainfrom

mikolaj-pirog:mpirog/fix-fast-math-pragma-overwritemikolaj-pirog/llvm-project:mpirog/fix-fast-math-pragma-overwriteCopy head branch name to clipboard