Introduce HPrimitiveCheck for checking the receiver or argument of
primitive operations. These will eventually go away with NNBD since it
will be a call-site type error to invoke `+` with a null receiver or
operand.
Change-Id: I54bf64f8231a234341c1ddf5ad4dba26909d613d
Reviewed-on: https://dart-review.googlesource.com/c/sdk/+/104185
Commit-Queue: Stephen Adams <sra@google.com>
Reviewed-by: Sigmund Cherem <sigmund@google.com>
Stephen Adams
a25f927ba9