Add back using statement removed in master branch

Commit migrated from https://github.com/dotnet/coreclr/commit/3ad1d5fb23b8efb74ea1278106d4225496df1130

diff --git a/src/coreclr/src/tools/crossgen2/ILCompiler.ReadyToRun/Compiler/ReadyToRunCodegenCompilation.cs b/src/coreclr/src/tools/crossgen2/ILCompiler.ReadyToRun/Compiler/ReadyToRunCodegenCompilation.cs
index 169b03222285bd121baf70b24e640dc70b62aa15..1980fa1e380e0e6629ada84202a653d0bdcd85bf 100644 (file)
--- a/src/coreclr/src/tools/crossgen2/ILCompiler.ReadyToRun/Compiler/ReadyToRunCodegenCompilation.cs
+++ b/src/coreclr/src/tools/crossgen2/ILCompiler.ReadyToRun/Compiler/ReadyToRunCodegenCompilation.cs
@@ -12,6 +12,7 @@ using System.Text;
 using Internal.IL;
 using Internal.JitInterface;
 using Internal.TypeSystem;
+using Internal.TypeSystem.Ecma;
 
 using ILCompiler.DependencyAnalysis;
 using ILCompiler.DependencyAnalysis.ReadyToRun;