Remove a redundant isValid() check

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@128606 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Frontend/TextDiagnosticPrinter.cpp b/lib/Frontend/TextDiagnosticPrinter.cpp
index 867d919..a228495 100644
--- a/lib/Frontend/TextDiagnosticPrinter.cpp
+++ b/lib/Frontend/TextDiagnosticPrinter.cpp
@@ -815,7 +815,7 @@
       }
 
       // Compute the column number.
-      if (DiagOpts->ShowLocation && PLoc.isValid()) {
+      if (DiagOpts->ShowLocation) {
         if (DiagOpts->ShowColors)
           OS.changeColor(savedColor, true);