MSB3243 warning is issued when project references two assemblies with same simple name, but with different strong names.

If you have a project referencing two assemblies with different strong names, but same simple name:

```
Library, Version=2.0.0.0, Culture=neutral, PublicKeyToken=63dc4c2e4fb85cbb
Library, Version=1.0.0.0, Culture=neutral, PublicKeyToken=282ebfd59330c047
```

...MSBuild issues bogus warning MSB3243:

```
3> There was a conflict between "Library, Version=2.0.0.0, Culture=neutral, PublicKeyToken=63dc4c2e4fb85cbb" and "Library, Version=1.0.0.0, Culture=neutral, PublicKeyToken=282ebfd59330c047".
3>C:\Program Files (x86)\MSBuild\15.0\bin\Microsoft.Common.CurrentVersion.targets(1820,5): warning MSB3243: No way to resolve conflict between "Library, Version=2.0.0.0, Culture=neutral, PublicKeyToken=63dc4c2e4fb85cbb" and "Library, Version=1.0.0.0, Culture=neutral, PublicKeyToken=282ebfd59330c047". Choosing "Library, Version=2.0.0.0, Culture=neutral, PublicKeyToken=63dc4c2e4fb85cbb" arbitrarily.
```

In reality, both assemblies are given different aliases in project file:

```

{5effb800-ff22-4fdd-a0b0-bdc04cd2862e}
Library1
Library1


{1a61b570-2451-4632-94fe-4a467e7c339c}
Library2
Library2

```

...and code uses extern alias directives to distinguish them:

```
extern alias Library1;
extern alias Library2;

```

Take [repro solution](https://1drv.ms/u/s!AugYigYwj-wfzPU1edw6WZUgM8l3aQ) compile it, and add both Library.dll's to the GAC. Repro.exe works just fine.