Use delay_span_bug for "Failed to unify obligation"#60644
Merged
bors merged 1 commit intorust-lang:masterfrom May 9, 2019
Merged
Use `delay_span_bug` for "Failed to unify obligation"#60644bors merged 1 commit intorust-lang:masterfrom
bors merged 1 commit intorust-lang:masterfrom
