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-rw-r--r--clang-tools-extra/unittests/clangd/TestFS.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/clang-tools-extra/unittests/clangd/TestFS.cpp b/clang-tools-extra/unittests/clangd/TestFS.cpp
index fff3a10efe1..d911fa535f7 100644
--- a/clang-tools-extra/unittests/clangd/TestFS.cpp
+++ b/clang-tools-extra/unittests/clangd/TestFS.cpp
@@ -143,6 +143,9 @@ MockFSProvider::getTaggedFileSystem(PathRef File) {
return make_tagged(FS, Tag);
}
+MockCompilationDatabase::MockCompilationDatabase()
+ : ExtraClangFlags({"-ffreestanding"}) {} // Avoid implicit stdc-predef.h.
+
llvm::Optional<tooling::CompileCommand>
MockCompilationDatabase::getCompileCommand(PathRef File) const {
if (ExtraClangFlags.empty())
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