[clangd] NFC: Fix IndexBenchmark CLI arguments handling

llvm-svn: 342227

1 files changed, 5 insertions, 3 deletions

diff --git a/clang-tools-extra/clangd/benchmarks/IndexBenchmark.cpp b/clang-tools-extra/clangd/benchmarks/IndexBenchmark.cpp
index 5714a7c6278..dc868f8d267 100644
--- a/clang-tools-extra/clangd/benchmarks/IndexBenchmark.cpp
+++ b/clang-tools-extra/clangd/benchmarks/IndexBenchmark.cpp
@@ -101,9 +101,11 @@ int main(int argc, char *argv[]) {
   }
   IndexFilename = argv[1];
   RequestsFilename = argv[2];
-  // Trim first two arguments of the benchmark invocation.
-  argv += 3;
-  argc -= 3;
+  // Trim first two arguments of the benchmark invocation and pretend no
+  // arguments were passed in the first place.
+  argv[2] = argv[0];
+  argv += 2;
+  argc -= 2;
   ::benchmark::Initialize(&argc, argv);
   ::benchmark::RunSpecifiedBenchmarks();
 }