From 411609a4e340159ea93b022ab0904ffaffc030cc Mon Sep 17 00:00:00 2001
From: Huon Wilson <huon@apple.com>
Date: Wed, 2 May 2018 09:56:12 +1000
Subject: [PATCH] [NFC] Remove unused/unnecessary variable.

---
 lib/SILGen/SILGenPattern.cpp | 2 --
 1 file changed, 2 deletions(-)

diff --git a/lib/SILGen/SILGenPattern.cpp b/lib/SILGen/SILGenPattern.cpp
index c51dee36085..6eacb24a8cd 100644
--- a/lib/SILGen/SILGenPattern.cpp
+++ b/lib/SILGen/SILGenPattern.cpp
@@ -2617,8 +2617,6 @@ static void emitDiagnoseOfUnexpectedEnumCase(SILGenFunction &SGF,
   ManagedValue metatype = SGF.B.createValueMetatype(loc, metatypeType, value);
 
   Substitution sub{switchedValueSwiftType, /*Conformances*/None};
-  auto genericArgsMap =
-      diagnoseFailure->getGenericSignature()->getSubstitutionMap(sub);
 
   SGF.emitApplyOfLibraryIntrinsic(loc, diagnoseFailure, sub,
                                   metatype,