LLVM_ON_WIN32 case: use the proper key in the UniqueFiles map.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@160041 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 7 insertions, 1 deletions

diff --git a/lib/Basic/FileManager.cpp b/lib/Basic/FileManager.cpp
index 9804105e67..ddf8934b62 100644
--- a/lib/Basic/FileManager.cpp
+++ b/lib/Basic/FileManager.cpp
@@ -112,7 +112,13 @@ public:
 
   size_t size() const { return UniqueFiles.size(); }
 
-  void erase(const FileEntry *Entry) { UniqueFiles.erase(Entry->getName()); }
+  void erase(const FileEntry *Entry) {
+    std::string FullPath(GetFullPath(Entry->getName()));
+
+    // Lowercase string because Windows filesystem is case insensitive.
+    FullPath = StringRef(FullPath).lower();
+    UniqueFiles.erase(FullPath);
+  }
 };
 
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