[clang] [clang-scan-deps] Expand response files before the argument adjuster (PR #89950)

[Alexandre Ganea via cfe-commits]

================
@@ -792,10 +792,15 @@ int clang_scan_deps_main(int argc, char **argv, const llvm::ToolContext &) {
 
   llvm::cl::PrintOptionValues();
 
+  // Expand response files in advance, so that we can "see" all the arguments
+  // when adjusting below.
+  auto ResponseExpander = expandResponseFiles(std::move(Compilations),
----------------
aganea wrote:

As suggested.

https://github.com/llvm/llvm-project/pull/89950