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-rw-r--r--compiler/driver/compiler_driver.cc6
1 files changed, 6 insertions, 0 deletions
diff --git a/compiler/driver/compiler_driver.cc b/compiler/driver/compiler_driver.cc
index 27cfe19dda..60537fd5c8 100644
--- a/compiler/driver/compiler_driver.cc
+++ b/compiler/driver/compiler_driver.cc
@@ -384,6 +384,12 @@ static optimizer::DexToDexCompiler::CompilationLevel GetDexToDexCompilationLevel
Thread* self, const CompilerDriver& driver, Handle<mirror::ClassLoader> class_loader,
const DexFile& dex_file, const DexFile::ClassDef& class_def)
REQUIRES_SHARED(Locks::mutator_lock_) {
+ // When the dex file is uncompressed in the APK, we do not generate a copy in the .vdex
+ // file. As a result, dex2oat will map the dex file read-only, and we only need to check
+ // that to know if we can do quickening.
+ if (dex_file.GetContainer() != nullptr && dex_file.GetContainer()->IsReadOnly()) {
+ return optimizer::DexToDexCompiler::CompilationLevel::kDontDexToDexCompile;
+ }
auto* const runtime = Runtime::Current();
DCHECK(driver.GetCompilerOptions().IsQuickeningCompilationEnabled());
const char* descriptor = dex_file.GetClassDescriptor(class_def);