Index: src/GenPoly/Specialize.cc
===================================================================
--- src/GenPoly/Specialize.cc	(revision 5f98ce5c7a2f9f7f1b2877251c37b8b1f6bec9a7)
+++ src/GenPoly/Specialize.cc	(revision 29e8bf554f11f612dcf3d14dccfcfe21459331b0)
@@ -31,4 +31,5 @@
 #include "Common/UniqueName.h"
 #include "Common/utility.h"
+#include "InitTweak/InitTweak.h"
 
 namespace GenPoly {
@@ -184,10 +185,13 @@
 		mutateAll( appExpr->get_args(), *this );
 
-		// create thunks for the inferred parameters
-		for ( InferredParams::iterator inferParam = appExpr->get_inferParams().begin(); inferParam != appExpr->get_inferParams().end(); ++inferParam ) {
-			inferParam->second.expr = doSpecialization( inferParam->second.formalType, inferParam->second.expr, &appExpr->get_inferParams() );
-		}
-
-		handleExplicitParams( appExpr );
+		if ( ! InitTweak::isIntrinsicCallExpr( appExpr ) ) {
+			// create thunks for the inferred parameters
+			// don't need to do this for intrinsic calls, because they aren't actually passed
+			for ( InferredParams::iterator inferParam = appExpr->get_inferParams().begin(); inferParam != appExpr->get_inferParams().end(); ++inferParam ) {
+				inferParam->second.expr = doSpecialization( inferParam->second.formalType, inferParam->second.expr, &appExpr->get_inferParams() );
+			}
+
+			handleExplicitParams( appExpr );
+		}
 
 		return appExpr;