Create new trace before each resolve (to avoid writing to a trace already filled in by previous analysis)

compiler/tests/org/jetbrains/jet/JetTestUtils.java

@@ -33,6 +33,7 @@ import org.jetbrains.annotations.NonNls;
 import org.jetbrains.annotations.NotNull;
 import org.jetbrains.annotations.TestOnly;
 import org.jetbrains.jet.analyzer.AnalyzeExhaust;
+import org.jetbrains.jet.cli.jvm.compiler.CliLightClassGenerationSupport;
 import org.jetbrains.jet.cli.jvm.compiler.JetCoreEnvironment;
 import org.jetbrains.jet.codegen.forTestCompile.ForTestCompileRuntime;
 import org.jetbrains.jet.codegen.forTestCompile.ForTestPackJdkAnnotations;
@@ -333,6 +334,11 @@ public class JetTestUtils {
         return configuration;
     }
 
+    public static void newTrace(@NotNull JetCoreEnvironment environment) {
+        // let the next analysis use another trace
+        CliLightClassGenerationSupport.getInstanceForCli(environment.getProject()).newBindingTrace();
+    }
+
     public interface TestFileFactory<F> {
         F create(String fileName, String text);
     }