[Issue 19377] New: VisualStudio build is very slow

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=19377

          Issue ID: 19377
           Summary: VisualStudio build is very slow
           Product: D
           Version: D2
          Hardware: x86_64
                OS: Windows
            Status: NEW
          Severity: critical
          Priority: P1
         Component: dmd
          Assignee: nobody at puremagic.com
          Reporter: turkeyman at gmail.com

Incremental build in VS takes 1:40 for me, which is more than 4 seconds which
the forum alleges is the proper amount of time to build DMD.

This may be an msbuild script issue, or because DMD is built with DMD instead
of LDC, or the build script improperly uses all-at-once builds.
Either way, I consider this a critical bug. It should take 2 seconds to tweak
and line and incremental-build, not 2 minutes.

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