Adrian Prantl 248ba6236a Don't emit debug line numbers for Swift type forward declarations ...

These line numbers are consumed by LLDB and stored in the Declaration object,
but as far as I can tell no user-facing feature relies on this.

Removing the line number can reduce the churn for incremental builds
significantly, since whitespace changes in one file may trigger a recompilation
of any file that uses a type declared below the whitespace change.

<rdar://problem/63156560>

2020-05-13 16:57:44 -07:00

1.4 KiB

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