fix 80-column violation

llvm-svn: 296045
diff --git a/llvm/lib/IR/Verifier.cpp b/llvm/lib/IR/Verifier.cpp
index 7d0bfd7..5b3ec41 100644
--- a/llvm/lib/IR/Verifier.cpp
+++ b/llvm/lib/IR/Verifier.cpp
@@ -653,7 +653,8 @@
     if (auto *GVE = dyn_cast<DIGlobalVariableExpression>(MD))
       visitDIGlobalVariableExpression(*GVE);
     else
-      AssertDI(false, "!dbg attachment of global variable must be a DIGlobalVariableExpression");
+      AssertDI(false, "!dbg attachment of global variable must be a "
+                      "DIGlobalVariableExpression");
   }
 
   if (!GV.hasInitializer()) {