llvm-project

63f1c03f - [Driver] Make -fvectorize and -fslp-vectorize override -O group options (#161032)

[Driver] Make -fvectorize and -fslp-vectorize override -O group options (#161032) `clang -fno-slp-vectorize -O2` incorrectly enabled CC1 -vectorize-slp. Make -fvectorize and -fslp-vectorize properly override -O, following the convention. Fix #160633