diff --git a/llvm/lib/ObjectYAML/ELFEmitter.cpp b/llvm/lib/ObjectYAML/ELFEmitter.cpp
--- a/llvm/lib/ObjectYAML/ELFEmitter.cpp
+++ b/llvm/lib/ObjectYAML/ELFEmitter.cpp
@@ -51,7 +51,7 @@
   raw_svector_ostream OS;
   Error ReachedLimitErr = Error::success();
 
-  bool checkLimit(uint64_t Size) {
+  [[nodiscard]] bool checkLimit(uint64_t Size) {
     if (!ReachedLimitErr && getOffset() + Size <= MaxSize)
       return true;
     if (!ReachedLimitErr)
@@ -70,7 +70,7 @@
 
   Error takeLimitError() {
     // Request to write 0 bytes to check we did not reach the limit.
-    checkLimit(0);
+    (void)checkLimit(0);
     return std::move(ReachedLimitErr);
   }