We merge cold context by default to save profile size. However trimming cold context after merging doesn't save size much, so default to off to reflect how it's commonly used. Differential Revision: https://reviews.llvm.org/D109166
We merge cold context by default to save profile size. However trimming cold context after merging doesn't save size much, so default to off to reflect how it's commonly used. Differential Revision: https://reviews.llvm.org/D109166