From 02cbe35ad815847194b75a61435dacb6b49e301d Mon Sep 17 00:00:00 2001
From: Willi Braun <wbraun@fh-bielefeld.de>
Date: Wed, 23 Mar 2016 13:37:30 +0100
Subject: [PATCH] dump error messages only with failtrace for
 traverseBackendDAEExpsEqnsWithUpdate

---
 Compiler/BackEnd/BackendDAEUtil.mo | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/Compiler/BackEnd/BackendDAEUtil.mo b/Compiler/BackEnd/BackendDAEUtil.mo
index 8af59598cc7..e28cc3824da 100644
--- a/Compiler/BackEnd/BackendDAEUtil.mo
+++ b/Compiler/BackEnd/BackendDAEUtil.mo
@@ -6425,9 +6425,12 @@ algorithm
       (_,outTypeA) = traverseArrayNoCopyWithUpdate(equOptArr,func,traverseBackendDAEExpsOptEqnWithUpdate,inTypeA);
     then outTypeA;
 
-    else equation
-      (_, _, name) = System.dladdr(func);
-      Error.addInternalError("traverseBackendDAEExpsEqnsWithUpdate failed for " + name, sourceInfo());
+    else
+    equation
+      if Flags.isSet(Flags.FAILTRACE) then
+        (_, _, name) = System.dladdr(func);
+        Error.addInternalError("traverseBackendDAEExpsEqnsWithUpdate failed for " + name, sourceInfo());
+      end if;
     then fail();
   end matchcontinue;
 end traverseBackendDAEExpsEqnsWithUpdate;