[Tools] Explicitly disable deserialization safety in some testing tools

Author: xymus

tools/lldb-moduleimport-test/lldb-moduleimport-test.cpp

@@ -63,6 +63,7 @@ static bool validateModule(
     llvm::outs() << "error: loadFromSerializedAST() failed\n";
     return false;
   }
+  CI.getLangOptions().EnableDeserializationSafety = false;
 
   if (Verbose) {
     if (!info.shortVersion.empty())

tools/sil-opt/SILOpt.cpp

@@ -562,6 +562,7 @@ int main(int argc, char **argv) {
   Invocation.getLangOptions().DisableAvailabilityChecking = true;
   Invocation.getLangOptions().EnableAccessControl = false;
   Invocation.getLangOptions().EnableObjCAttrRequiresFoundation = false;
+  Invocation.getLangOptions().EnableDeserializationSafety = false;
   if (auto overrideKind = getASTOverrideKind()) {
     Invocation.getLangOptions().ASTVerifierOverride = *overrideKind;
   }

tools/swift-ide-test/swift-ide-test.cpp

@@ -3002,6 +3002,10 @@ static int doPrintModules(const CompilerInvocation &InitInvok,
                           bool SynthesizeExtensions) {
   CompilerInvocation Invocation(InitInvok);
 
+  // Read everything from loaded modules, including internal details to
+  // test the behavior around non-public access levels.
+  Invocation.getLangOptions().EnableDeserializationSafety = false;
+
   CompilerInstance CI;
   // Display diagnostics to stderr.
   PrintingDiagnosticConsumer PrintDiags;