Set the location of the template keyword when allocating a new TemplateIdAnnotation.

Found by valgrind.

llvm-svn: 150940
diff --git a/clang/lib/Parse/ParseExprCXX.cpp b/clang/lib/Parse/ParseExprCXX.cpp
index 76cc392..0d33e30 100644
--- a/clang/lib/Parse/ParseExprCXX.cpp
+++ b/clang/lib/Parse/ParseExprCXX.cpp
@@ -1714,6 +1714,7 @@
     }
 
     TemplateId->SS = SS;
+    TemplateId->TemplateKWLoc = TemplateKWLoc;
     TemplateId->Template = Template;
     TemplateId->Kind = TNK;
     TemplateId->LAngleLoc = LAngleLoc;