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-rw-r--r--clang/lib/Driver/Driver.cpp3
1 files changed, 3 insertions, 0 deletions
diff --git a/clang/lib/Driver/Driver.cpp b/clang/lib/Driver/Driver.cpp
index c404e762b8d..7f7affbdb4a 100644
--- a/clang/lib/Driver/Driver.cpp
+++ b/clang/lib/Driver/Driver.cpp
@@ -115,6 +115,9 @@ Compilation *Driver::BuildCompilation(int argc, const char **argv) {
InputArgList *Args = ParseArgStrings(Start, End);
+ // -no-canonical-prefixes is used very early in main.
+ Args->ClaimAllArgs(options::OPT_no_canonical_prefixes);
+
// Extract -ccc args.
//
// FIXME: We need to figure out where this behavior should live. Most of it
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