From 0054f58575a19da2e3f095a9c0a2e3210609f829 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Sj=C3=B6lund?= <martin@sjoelund.se>
Date: Wed, 17 Mar 2021 11:00:46 +0100
Subject: [PATCH] Fix infinite loop in the diff algorithm

---
 OMCompiler/Compiler/Parsers/SimpleModelicaParser.mo | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/OMCompiler/Compiler/Parsers/SimpleModelicaParser.mo b/OMCompiler/Compiler/Parsers/SimpleModelicaParser.mo
index 271cc8faf0e..eeb3f689cc0 100644
--- a/OMCompiler/Compiler/Parsers/SimpleModelicaParser.mo
+++ b/OMCompiler/Compiler/Parsers/SimpleModelicaParser.mo
@@ -2195,7 +2195,7 @@ algorithm
         guard min(parseTreeIsWhitespaceOrParNotComment(t) for t in tree)
         algorithm
           diff := (Diff.Equal, tree)::diff1::diff;
-        then diffLocal;
+        then {};
       case ((diff1 as (Diff.Equal,tree1 as (_::_)))::(Diff.Delete, tree)::(diffLocal as ((Diff.Equal,tree2 as (_::_))::_)))
         guard needsWhitespaceBetweenTokens(lastToken(List.last(tree1)), firstTokenInTree(listGet(tree2, 1)))
         algorithm