X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.scl.compiler%2Fsrc%2Forg%2Fsimantics%2Fscl%2Fcompiler%2Finternal%2Fcodegen%2Freferences%2FValRef.java;h=954e8d0a3546ca07d2eb09b4ac284cd4e10726a4;hp=85a613c437ba0a46263d8ef74d762a75ce29c1d3;hb=1dfeb7d5c49b1391cd9d877e1eddab18995cb151;hpb=c13c4179bda758e77fe1f2032d3c4268bb9e3120

diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/codegen/references/ValRef.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/codegen/references/ValRef.java
index 85a613c43..954e8d0a3 100644
--- a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/codegen/references/ValRef.java
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/internal/codegen/references/ValRef.java
@@ -14,8 +14,11 @@ import org.simantics.scl.compiler.top.SCLCompilerConfiguration;
 import org.simantics.scl.compiler.types.TVar;
 import org.simantics.scl.compiler.types.Type;
 import org.simantics.scl.compiler.types.Types;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 public final class ValRef implements IVal {
+    private static final Logger LOGGER = LoggerFactory.getLogger(ValRef.class);
     public static final ValRef[] EMPTY_ARRAY = new ValRef[0];
 
     Val binding;
@@ -55,8 +58,8 @@ public final class ValRef implements IVal {
             try {
                 binding.occurrence = next;
             } catch(NullPointerException e) {
-                System.err.println("removeModiId = " + removeModiId);
-                System.err.println("current ModiId = " + SSASimplificationContext.modiId);
+                LOGGER.error("removeModiId = " + removeModiId);
+                LOGGER.error("current ModiId = " + SSASimplificationContext.modiId, e);
                 throw new InternalCompilerError("The ValRef has already been removed.");
             }
         else