Utils: Fix crash in editor layout

Do not access uncached offsets.

Change-Id: I9234cc0da486526d091c42d2f5c40849e4eb5dd1
Reviewed-by: David Schulz <[email protected]>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/libs/utils/plaintextedit/texteditorlayout.cpp b/src/libs/utils/plaintextedit/texteditorlayout.cpp
index 612f310cdb0..8afe8429f89 100644
--- a/src/libs/utils/plaintextedit/texteditorlayout.cpp
+++ b/src/libs/utils/plaintextedit/texteditorlayout.cpp
@@ -526,7 +526,7 @@ QTextBlock TextEditorLayout::findBlockByLineNumber(int lineNumber) const
     int blockNumber = 0;
     if (!d->m_offsetCache.empty()) {
         const int cacheSize = int(d->m_offsetCache.size());
-        int i = cacheSize < lineNumber ? cacheSize - 1 : lineNumber;
+        int i = cacheSize <= lineNumber ? cacheSize - 1 : lineNumber;
         for (; i > 0; --i) {
             if (d->m_offsetCache[i].firstLine >= 0 && d->m_offsetCache[i].firstLine <= lineNumber) {
                 blockNumber = i;