diff --git a/contrib/llvm/lib/MC/MCParser/AsmParser.cpp b/contrib/llvm/lib/MC/MCParser/AsmParser.cpp
index 5eeb3080ae09..7f8e9dfbdb3a 100644
--- a/contrib/llvm/lib/MC/MCParser/AsmParser.cpp
+++ b/contrib/llvm/lib/MC/MCParser/AsmParser.cpp
@@ -1695,7 +1695,7 @@ bool AsmParser::expandMacro(raw_svector_ostream &OS, StringRef Body,
                             const MCAsmMacroParameters &Parameters,
                             const MCAsmMacroArguments &A, const SMLoc &L) {
   unsigned NParameters = Parameters.size();
-  if (NParameters != 0 && NParameters != A.size())
+  if ((!IsDarwin || NParameters != 0) && NParameters != A.size())
     return Error(L, "Wrong number of arguments");
 
   // A macro without parameters is handled differently on Darwin:
@@ -1705,7 +1705,7 @@ bool AsmParser::expandMacro(raw_svector_ostream &OS, StringRef Body,
     std::size_t End = Body.size(), Pos = 0;
     for (; Pos != End; ++Pos) {
       // Check for a substitution or escape.
-      if (!NParameters) {
+      if (IsDarwin && !NParameters) {
         // This macro has no parameters, look for $0, $1, etc.
         if (Body[Pos] != '$' || Pos + 1 == End)
           continue;
@@ -1728,7 +1728,7 @@ bool AsmParser::expandMacro(raw_svector_ostream &OS, StringRef Body,
     if (Pos == End)
       break;
 
-    if (!NParameters) {
+    if (IsDarwin && !NParameters) {
       switch (Body[Pos + 1]) {
       // $$ => $
       case '$':