Rename DoLayout -> HasContents. NFC.

llvm-svn: 277102
diff --git a/lld/ELF/LinkerScript.cpp b/lld/ELF/LinkerScript.cpp
index 96808d7..04194fc 100644
--- a/lld/ELF/LinkerScript.cpp
+++ b/lld/ELF/LinkerScript.cpp
@@ -646,7 +646,7 @@
 }
 
 void ScriptParser::readSections() {
-  Opt.DoLayout = true;
+  Opt.HasContents = true;
   expect("{");
   while (!Error && !skip("}")) {
     StringRef Tok = next();