[Serialization] Free memory in LoadSpecLazilyTest

Default Clang invocations set DisableFree = true, which causes ASAN to
complain. Override it in tests that are not supposed to leak.

Author: ilya-biryukov

clang/unittests/Serialization/LoadSpecLazilyTest.cpp

@@ -82,6 +82,8 @@ class LoadSpecLazilyTest : public ::testing::Test {
     Instance.setDiagnostics(Diags.get());
     Instance.setInvocation(Invocation);
     Instance.getFrontendOpts().OutputFile = CacheBMIPath;
+    // Avoid memory leaks.
+    Instance.getFrontendOpts().DisableFree = false;
     GenerateModuleInterfaceAction Action;
     EXPECT_TRUE(Instance.ExecuteAction(Action));
     EXPECT_FALSE(Diags->hasErrorOccurred());