8289799: Build warning in methodData.cpp memset zero-length parameter

Backport-of: cce77a7
openjdk · Jul 8, 2022 · ea21c46 · ea21c46 · openjdk-notifier · Jul 8, 2022
1 parent 6428607
commit ea21c46
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/hotspot/share/oops/methodData.cpp b/src/hotspot/share/oops/methodData.cpp
@@ -1245,7 +1245,9 @@ void MethodData::initialize() {
   int extra_size = extra_data_count * DataLayout::compute_size_in_bytes(0);
 
   // Let's zero the space for the extra data
-  Copy::zero_to_bytes(((address)_data) + data_size, extra_size);
+  if (extra_size > 0) {
+    Copy::zero_to_bytes(((address)_data) + data_size, extra_size);
+  }
 
   // Add a cell to record information about modified arguments.
   // Set up _args_modified array after traps cells so that