[CodeGen] Fix a warning

This patch fixes:

  llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp:3468:14: error:
  variable 'foundJTI' set but not used
  [-Werror,-Wunused-but-set-variable]

1 files changed, 1 insertions, 0 deletions

diff --git a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
index 1456073..31877d9 100644
--- a/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
+++ b/llvm/lib/CodeGen/AsmPrinter/CodeViewDebug.cpp
@@ -3493,6 +3493,7 @@ void forEachJumpTableBranch(
           }
         }
         assert(foundJTI);
+        (void)foundJTI;
       }
     }
   }