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-rw-r--r--lib/Frontend/CompilerInstance.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/Frontend/CompilerInstance.cpp b/lib/Frontend/CompilerInstance.cpp
index f39b119c32..ece9cd8406 100644
--- a/lib/Frontend/CompilerInstance.cpp
+++ b/lib/Frontend/CompilerInstance.cpp
@@ -654,6 +654,9 @@ static void compileModule(CompilerInstance &ImportingInstance,
// Construct a compiler invocation for creating this module.
llvm::IntrusiveRefCntPtr<CompilerInvocation> Invocation
(new CompilerInvocation(ImportingInstance.getInvocation()));
+ Invocation->getLangOpts().resetNonModularOptions();
+ Invocation->getPreprocessorOpts().resetNonModularOptions();
+
FrontendOptions &FrontendOpts = Invocation->getFrontendOpts();
FrontendOpts.OutputFile = ModuleFile.str();
FrontendOpts.DisableFree = false;