ad890aa232 landed a test without
using the `%run` prefix which means the test fails to run for
platforms that need it (e.g. iOS simulators).
This patch adds the `%run` prefix. While we're here also split
the single `RUN` line into two to make debugging easier.
rdar://83637296
Differential Revision: https://reviews.llvm.org/D110734
929 B
929 B