1 files changed, 5 insertions, 0 deletions
diff --git a/lib/Basic/TargetInfo.cpp b/lib/Basic/TargetInfo.cpp
index 8cfd8bde9cbb5..4bcebadf458f6 100644
--- a/lib/Basic/TargetInfo.cpp
+++ b/lib/Basic/TargetInfo.cpp
@@ -507,6 +507,11 @@ bool TargetInfo::validateOutputConstraint(ConstraintInfo &Info) const {
     case '?': // Disparage slightly code.
     case '!': // Disparage severely.
     case '*': // Ignore for choosing register preferences.
+    case 'i': // Ignore i,n,E,F as output constraints (match from the other
+              // chars)
+    case 'n':
+    case 'E':
+    case 'F':
       break;  // Pass them.
     }