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-rw-r--r--lib/Frontend/CompilerInstance.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Frontend/CompilerInstance.cpp b/lib/Frontend/CompilerInstance.cpp
index 719474dc76..be38c69235 100644
--- a/lib/Frontend/CompilerInstance.cpp
+++ b/lib/Frontend/CompilerInstance.cpp
@@ -1727,7 +1727,9 @@ CompilerInstance::loadModule(SourceLocation ImportLoc,
// module cache, we don't know how to rebuild modules.
unsigned ARRFlags = Source == ModuleCache ?
ASTReader::ARR_OutOfDate | ASTReader::ARR_Missing :
- ASTReader::ARR_ConfigurationMismatch;
+ Source == PrebuiltModulePath ?
+ 0 :
+ ASTReader::ARR_ConfigurationMismatch;
switch (ModuleManager->ReadAST(ModuleFileName,
Source == PrebuiltModulePath
? serialization::MK_PrebuiltModule