# HG changeset patch
# User mdoerr
# Date 1547207839 -3600
#      Fri Jan 11 12:57:19 2019 +0100
# Node ID e9c0e03af681d4e72680dce9de261f9249013771
# Parent  d87633b62f1f81092e8af6717a43b19c3c09857a
8216556: Unnecessary liveness computation with JVMTI
Reviewed-by:

diff --git a/src/hotspot/share/ci/ciMethod.cpp b/src/hotspot/share/ci/ciMethod.cpp
--- a/src/hotspot/share/ci/ciMethod.cpp
+++ b/src/hotspot/share/ci/ciMethod.cpp
@@ -402,12 +402,14 @@
 // will return true for all locals in some cases to improve debug
 // information.
 MethodLivenessResult ciMethod::liveness_at_bci(int bci) {
-  MethodLivenessResult result = raw_liveness_at_bci(bci);
   if (CURRENT_ENV->should_retain_local_variables() || DeoptimizeALot) {
     // Keep all locals live for the user's edification and amusement.
-    result.at_put_range(0, result.size(), true);
+    MethodLivenessResult result(_max_locals);
+    result.set_range(0, _max_locals);
+    result.set_is_valid();
+    return result;
   }
-  return result;
+  return raw_liveness_at_bci(bci);
 }
 
 // ciMethod::live_local_oops_at_bci