tree f18f6fb9d3bff26f97edee76449d67de3f5ed719
parent eeb623022bd69aa0f4f4b00bd8bc0f091c0544c8
author Joe Groff <jgroff@apple.com> 1537458514 -0700
committer Joe Groff <jgroff@apple.com> 1537473809 -0700

Make runtime warnings about missing metadata more descriptive.

Describe the consequences of missing metadata instead of just posting a scary
message about a bug.  Furthermore, since these warnings tend to show up in
playgrounds, and probably aren't relevant to the user of a playground, suppress
them when running in a playground. rdar://problem/44642942