[vfs] Assert that the status is known in equivalent().
Otherwise we'd silently compare uninitialized data.
llvm-svn: 308604
diff --git a/clang/lib/Basic/VirtualFileSystem.cpp b/clang/lib/Basic/VirtualFileSystem.cpp
index f5db717..47c7fa4 100644
--- a/clang/lib/Basic/VirtualFileSystem.cpp
+++ b/clang/lib/Basic/VirtualFileSystem.cpp
@@ -59,6 +59,7 @@
}
bool Status::equivalent(const Status &Other) const {
+ assert(isStatusKnown() && Other.isStatusKnown());
return getUniqueID() == Other.getUniqueID();
}
bool Status::isDirectory() const {