commit ea14a8799f2a6d139491483151cee4341ef1a73e
author Douglas Gregor <dgregor@apple.com> Fri Feb 08 21:27:45 2013 +0000
committer Douglas Gregor <dgregor@apple.com> Fri Feb 08 21:27:45 2013 +0000
tree 1299f45bc2c952230c21ee9d09c1d535236c9383
parent 52635ff9fb530dfdfc6a94e52a2270bf1bb8346b

Never cache the result of a module file lookup.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@174744 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Frontend/CompilerInstance.cpp

diff --git a/lib/Frontend/CompilerInstance.cpp b/lib/Frontend/CompilerInstance.cpp
index 0c5a1fa..ce6572a 100644
--- a/lib/Frontend/CompilerInstance.cpp
+++ b/lib/Frontend/CompilerInstance.cpp
@@ -996,7 +996,8 @@
 
       BuildingModule = true;
       compileModule(*this, ModuleNameLoc, Module, ModuleFileName);
-      ModuleFile = FileMgr->getFile(ModuleFileName);
+      ModuleFile = FileMgr->getFile(ModuleFileName, /*OpenFile=*/false,
+                                    /*CacheFailure=*/false);
 
       if (!ModuleFile && getPreprocessorOpts().FailedModules)
         getPreprocessorOpts().FailedModules->addFailed(ModuleName);
@@ -1079,14 +1080,14 @@
           << ModuleName
           << SourceRange(ImportLoc, ModuleNameLoc);
         ModuleBuildFailed = true;
-
         return ModuleLoadResult();
       }
 
       compileModule(*this, ModuleNameLoc, Module, ModuleFileName);
 
       // Try loading the module again.
-      ModuleFile = FileMgr->getFile(ModuleFileName);
+      ModuleFile = FileMgr->getFile(ModuleFileName, /*OpenFile=*/false,
+                                    /*CacheFailure=*/false);
       if (!ModuleFile ||
           ModuleManager->ReadAST(ModuleFileName,
                                  serialization::MK_Module, ImportLoc,