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-rw-r--r--clang/tools/clang-check/ClangCheck.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/tools/clang-check/ClangCheck.cpp b/clang/tools/clang-check/ClangCheck.cpp
index ce400b5c200..96a593a29b4 100644
--- a/clang/tools/clang-check/ClangCheck.cpp
+++ b/clang/tools/clang-check/ClangCheck.cpp
@@ -90,6 +90,9 @@ public:
}
std::string RewriteFilename(const std::string& filename, int &fd) override {
+ assert(llvm::sys::path::is_absolute(filename) &&
+ "clang-fixit expects absolute paths only.");
+
// We don't need to do permission checking here since clang will diagnose
// any I/O errors itself.
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