Add DCHECK() for class loader in artResolveStringFromCode().
Address late comment from
https://android-review.googlesource.com/281642
Test: m test-art-host
Bug: 20323084
Bug: 30627598
Change-Id: I3ba2617d2bc52ac8ba11307d206e6f5e6c017fb7
diff --git a/runtime/entrypoints/quick/quick_dexcache_entrypoints.cc b/runtime/entrypoints/quick/quick_dexcache_entrypoints.cc
index 4311d19..2a3a6bf 100644
--- a/runtime/entrypoints/quick/quick_dexcache_entrypoints.cc
+++ b/runtime/entrypoints/quick/quick_dexcache_entrypoints.cc
@@ -63,12 +63,14 @@
auto* caller = GetCalleeSaveMethodCaller(self, Runtime::kSaveRefsOnly);
mirror::String* result = ResolveStringFromCode(caller, string_idx);
if (LIKELY(result != nullptr)) {
- // For AOT code, we need a write barrier for the dex cache that holds the GC roots in the .bss.
+ // For AOT code, we need a write barrier for the class loader that holds
+ // the GC roots in the .bss.
const DexFile* dex_file = caller->GetDexFile();
if (dex_file != nullptr &&
dex_file->GetOatDexFile() != nullptr &&
!dex_file->GetOatDexFile()->GetOatFile()->GetBssGcRoots().empty()) {
mirror::ClassLoader* class_loader = caller->GetDeclaringClass()->GetClassLoader();
+ DCHECK(class_loader != nullptr); // We do not use .bss GC roots for boot image.
// Note that we emit the barrier before the compiled code stores the string as GC root.
// This is OK as there is no suspend point point in between.
Runtime::Current()->GetHeap()->WriteBarrierEveryFieldOf(class_loader);
