Shrink CompiledData::Function by 8 bytes

We can express the offset to the line number table relative
to the locals.

Saves ~1.4k with examples/quickcontrols/extras/flat/Content.qml and ~11K
RAM with the gallery.

Task-number: QTBUG-69588
Change-Id: I802928102b4291e05ff1462226d22303f8a6d35b
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/qml/compiler/qv4compiler.cpp b/src/qml/compiler/qv4compiler.cpp
index 252056b2b6..6dbd4a35fb 100644
--- a/src/qml/compiler/qv4compiler.cpp
+++ b/src/qml/compiler/qv4compiler.cpp
@@ -331,7 +331,7 @@ void QV4::Compiler::JSUnitGenerator::writeFunction(char *f, QV4::Compiler::Conte
     currentOffset += function->nLocals * sizeof(quint32);
 
     function->nLineNumbers = irFunction->lineNumberMapping.size();
-    function->lineNumberOffset = currentOffset;
+    Q_ASSERT(function->lineNumberOffset() == currentOffset);
     currentOffset += function->nLineNumbers * sizeof(CompiledData::CodeOffsetToLine);
 
 
@@ -376,7 +376,7 @@ void QV4::Compiler::JSUnitGenerator::writeFunction(char *f, QV4::Compiler::Conte
         locals[i] = getStringId(irFunction->locals.at(i));
 
     // write line numbers
-    memcpy(f + function->lineNumberOffset, irFunction->lineNumberMapping.constData(), irFunction->lineNumberMapping.size()*sizeof(CompiledData::CodeOffsetToLine));
+    memcpy(f + function->lineNumberOffset(), irFunction->lineNumberMapping.constData(), irFunction->lineNumberMapping.size()*sizeof(CompiledData::CodeOffsetToLine));
 
     // write QML dependencies
     quint32_le *writtenDeps = (quint32_le *)(f + function->dependingIdObjectsOffset());