Materialize enumerable early (except where guaranteed only one enumeration)
Materialize enumerable early (except where guaranteed only one enumeration)

mono/msbuild,sean-gilliam/msbuild,AndyGerlicher/msbuild,AndyGerlicher/msbuild,sean-gilliam/msbuild,sean-gilliam/msbuild,rainersigwald/msbuild,mono/msbuild,rainersigwald/msbuild,mono/msbuild,AndyGerlicher/msbuild,AndyGerlicher/msbuild,sean-gilliam/msbuild,rainersigwald/msbuild,rainersigwald/msbuild,mono/msbuild