Use const_cast instead of a C-style cast to cast away const.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101639 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp b/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp
index 9e6cf50..4b95473 100644
--- a/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp
+++ b/lib/Target/X86/AsmPrinter/X86MCInstLower.cpp
@@ -344,7 +344,7 @@
   assert(NOps==7);
   O << '\t' << MAI->getCommentString() << "DEBUG_VALUE: ";
   // cast away const; DIetc do not take const operands for some reason.
-  DIVariable V((MDNode*)(MI->getOperand(NOps-1).getMetadata()));
+  DIVariable V(const_cast<MDNode *>(MI->getOperand(NOps-1).getMetadata()));
   O << V.getName();
   O << " <- ";
   // Frame address.  Currently handles register +- offset only.