1 files changed, 4 insertions, 0 deletions
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index a0b8bbf..3945129 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -3373,6 +3373,8 @@ static void GenerateHeaderSearchArgs(const HeaderSearchOptions &Opts,
                            : OPT_internal_externc_isystem;
     GenerateArg(Consumer, Opt, It->Path);
   }
+  for (; It < End && Matches(*It, {frontend::System}, true, true); ++It)
+    GenerateArg(Consumer, OPT_internal_iframework, It->Path);
 
   assert(It == End && "Unhandled HeaderSearchOption::Entry.");
 
@@ -3505,6 +3507,8 @@ static bool ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args,
       Group = frontend::ExternCSystem;
     Opts.AddPath(A->getValue(), Group, false, true);
   }
+  for (const auto *A : Args.filtered(OPT_internal_iframework))
+    Opts.AddPath(A->getValue(), frontend::System, true, true);
 
   // Add the path prefixes which are implicitly treated as being system headers.
   for (const auto *A :