editormanager: fix handling of file names ending with + like foo.c++

Reviewed-by: Tobias Hunger

1 files changed, 4 insertions, 2 deletions

diff --git a/src/plugins/coreplugin/editormanager/editormanager.cpp b/src/plugins/coreplugin/editormanager/editormanager.cpp
index 655b766748..8e35d1f36c 100644
--- a/src/plugins/coreplugin/editormanager/editormanager.cpp
+++ b/src/plugins/coreplugin/editormanager/editormanager.cpp
@@ -1195,8 +1195,10 @@ int extractLineNumber(QString *fileName)
         return -1;
     if (fileName->at(i) == ':' || fileName->at(i) == '+') {
         int result = fileName->mid(i+1).toInt();
-        *fileName = fileName->left(i);
-        return result;
+        if (result) {
+            *fileName = fileName->left(i);
+            return result;
+        }
     }
     return -1;
 }