Fix ProfilingInfo race.

The field can be cleared concurrently, so fetch it only once.

Test: test.py
Bug: 119800099
Change-Id: I097a9c6f2175da7a027255c6b81954554bdbcff6

1 files changed, 5 insertions, 2 deletions

diff --git a/runtime/jit/jit_code_cache.cc b/runtime/jit/jit_code_cache.cc
index ff08a4587f..377092131e 100644
--- a/runtime/jit/jit_code_cache.cc
+++ b/runtime/jit/jit_code_cache.cc
@@ -555,8 +555,11 @@ const void* JitCodeCache::GetZygoteSavedEntryPoint(ArtMethod* method) {
       if (code_ptr != nullptr) {
         entry_point = OatQuickMethodHeader::FromCodePointer(code_ptr)->GetEntryPoint();
       }
-    } else if (method->GetProfilingInfo(kRuntimePointerSize) != nullptr) {
-      entry_point = method->GetProfilingInfo(kRuntimePointerSize)->GetSavedEntryPoint();
+    } else {
+      ProfilingInfo* profiling_info = method->GetProfilingInfo(kRuntimePointerSize);
+      if (profiling_info != nullptr) {
+        entry_point = profiling_info->GetSavedEntryPoint();
+      }
     }
     if (Runtime::Current()->IsZygote() || IsInZygoteExecSpace(entry_point)) {
       return entry_point;