diff --git a/com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/query/RQIRWrapperNode.java b/com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/query/RQIRWrapperNode.java
index 82017b57cf069c431b82a122a6ffb939224fd86d..c5489c1c00ba6ab3a223f6e952172b29d7c97c94 100644
--- a/com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/query/RQIRWrapperNode.java
+++ b/com.oracle.truffle.r.nodes/src/com/oracle/truffle/r/nodes/query/RQIRWrapperNode.java
@@ -26,17 +26,15 @@ import com.oracle.truffle.api.CompilerDirectives.*;
 import com.oracle.truffle.api.frame.*;
 import com.oracle.truffle.api.nodes.*;
 import com.oracle.truffle.api.source.SourceSection;
-import com.oracle.truffle.r.runtime.ArgumentsSignature;
 import com.oracle.truffle.r.runtime.context.RContext;
 import com.oracle.truffle.r.runtime.data.RDataFactory;
 import com.oracle.truffle.r.runtime.env.REnvironment;
 import com.oracle.truffle.r.runtime.env.REnvironment.PutException;
 import com.oracle.truffle.r.runtime.nodes.RSourceSectionNode;
-import com.oracle.truffle.r.runtime.nodes.RSyntaxElement;
-import com.oracle.truffle.r.runtime.nodes.RSyntaxFunction;
+import com.oracle.truffle.r.runtime.nodes.RSyntaxConstant;
 
 @NodeInfo(shortName = "query", description = "The node representing a query")
-public final class RQIRWrapperNode extends RSourceSectionNode implements RSyntaxFunction {
+public final class RQIRWrapperNode extends RSourceSectionNode implements RSyntaxConstant {
     // The unique identifier of the query
     public final int id;
 
@@ -65,22 +63,7 @@ public final class RQIRWrapperNode extends RSourceSectionNode implements RSyntax
     }
 
     @Override
-    public ArgumentsSignature getSyntaxSignature() {
-        return null;
-    }
-
-    @Override
-    public RSyntaxElement[] getSyntaxArgumentDefaults() {
-        return new RSyntaxElement[0];
-    }
-
-    @Override
-    public RSyntaxElement getSyntaxBody() {
-        return this;
-    }
-
-    @Override
-    public String getSyntaxDebugName() {
-        return getSourceSection().getCharacters().toString();
+    public Object getValue() {
+        return createQuery(id);
     }
 }
diff --git a/com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/FastROptions.java b/com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/FastROptions.java
index 982d68f8efb80f69c549df0d455d1b7be7985137..8f06ce2234a35cd2e8027afdf316fe318bb5bca4 100644
--- a/com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/FastROptions.java
+++ b/com.oracle.truffle.r.runtime/src/com/oracle/truffle/r/runtime/FastROptions.java
@@ -37,8 +37,8 @@ import com.oracle.truffle.api.CompilerDirectives.CompilationFinal;
  * N.B. The options must be initialized/processed at runtime for an AOT VM.
  */
 public enum FastROptions {
-    PrintErrorStacktraces("Prints Java and R stack traces for all errors", false),
-    PrintErrorStacktracesToFile("Dumps Java and R stack traces to 'fastr_errors.log' for all errors", true),
+    PrintErrorStacktraces("Prints Java and R stack traces for all errors", true),
+    PrintErrorStacktracesToFile("Dumps Java and R stack traces to 'fastr_errors.log' for all errors", false),
     CheckResultCompleteness("Assert completeness of results vectors after evaluating unit tests and R shell commands", true),
     Debug("Debug=name1,name2,...; Turn on debugging output for 'name1', 'name2', etc.", null, true),
     TraceCalls("Trace all R function calls", false),
@@ -221,16 +221,16 @@ public enum FastROptions {
     /**
      * Convenience function for matching against an option whose value is expected to be a comma
      * separated list. If the option is set without a value, i.e. just plain {@code -R:Option}, all
-     * elements are deemed to match. Matching is done with {@link String#startsWith} to allow
-     * additional data to be tagged onto the element.
+     * elements are deemed to match. Matching is done with {@link String#startsWith} to allow additional
+     * data to be tagged onto the element.
      *
      * E.g.
      * <ul>
      * <li>{@code -R:Option} returns {@code ""} for all values of {@code element}.</li>
      * <li>{@code -R:Option=foo} returns {@code foo} iff {@code element.equals("foo")}, else
      * {@code null}.
-     * <li>{@code -R:Option=foo,bar=xx} returns {@code bar=xx} iff {@code element.equals("bar")},
-     * else {@code null}.
+     * <li>{@code -R:Option=foo,bar=xx} returns {@code bar=xx} iff {@code element.equals("bar")}, else
+     * {@code null}.
      *
      * @param element string to match against the option value list.
      * @return {@code ""} if the option is set with no {@code =value} component, the element if