KT-2207 Syntax errors are not reported from the compiler

#KT-2207 fixed

compiler/cli/src/org/jetbrains/jet/cli/common/messages/AnalyzerWithCompilerReport.java

@@ -148,5 +148,10 @@ public final class AnalyzerWithCompilerReport {
             super(psiElement, SYNTAX_ERROR_FACTORY, severity);
             this.message = message;
         }
+
+        @Override
+        public boolean isValid() {
+            return true;
+        }
     }
 }

compiler/integration-tests/data/syntaxErrors/test.compile.expected

@@ -0,0 +1,3 @@
+OUT ERROR: [TestData]/test.kt: (4, 20) Expecting an element
+ERR exec() finished with COMPILATION_ERROR return code
+Return code: 1

compiler/integration-tests/data/syntaxErrors/test.kt

@@ -0,0 +1,5 @@
+package test
+
+fun test() {
+    val s = System.in
+}

compiler/integration-tests/src/org/jetbrains/kotlin/CompilerSmokeTest.java

@@ -51,6 +51,13 @@ public class CompilerSmokeTest extends KotlinIntegrationTestBase {
         runCompiler("hello.compile", "-src", "hello.kt", "-jar", jar);
     }
 
+    @Test
+    public void syntaxErrors() throws Exception {
+        final String jar = tempDir.getAbsolutePath() + File.separator + "smoke.jar";
+
+        runCompiler("test.compile", "-src", "test.kt", "-jar", jar);
+    }
+
     @Test
     public void script() throws Exception {
         runCompiler("script", "-script", "hello.ktscript", "hi", "there");