[llvm] r273737 - Fix unused variable warning in -asserts builds.

[Peter Collingbourne via llvm-commits]

Author: pcc
Date: Fri Jun 24 16:37:11 2016
New Revision: 273737

URL: http://llvm.org/viewvc/llvm-project?rev=273737&view=rev
Log:
Fix unused variable warning in -asserts builds.

Modified:
    llvm/trunk/lib/Transforms/IPO/CrossDSOCFI.cpp

Modified: llvm/trunk/lib/Transforms/IPO/CrossDSOCFI.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Transforms/IPO/CrossDSOCFI.cpp?rev=273737&r1=273736&r2=273737&view=diff
==============================================================================
--- llvm/trunk/lib/Transforms/IPO/CrossDSOCFI.cpp (original)
+++ llvm/trunk/lib/Transforms/IPO/CrossDSOCFI.cpp Fri Jun 24 16:37:11 2016
@@ -98,8 +98,7 @@ void CrossDSOCFI::buildCFICheck() {
     GO.getMetadata(LLVMContext::MD_type, Types);
     for (MDNode *Type : Types) {
       // Sanity check. GO must not be a function declaration.
-      auto F = dyn_cast<Function>(&GO);
-      assert(!F || !F->isDeclaration());
+      assert(!isa<Function>(&GO) || !cast<Function>(&GO)->isDeclaration());
 
       if (ConstantInt *TypeId = extractNumericTypeId(Type))
         TypeIds.insert(TypeId->getZExtValue());