Add AST matcher for paren expressions.

Patch by Adrian ZgorzaƂek.

llvm-svn: 258321
diff --git a/clang/lib/ASTMatchers/Dynamic/Registry.cpp b/clang/lib/ASTMatchers/Dynamic/Registry.cpp
index e2c9a47..9cfccdc 100644
--- a/clang/lib/ASTMatchers/Dynamic/Registry.cpp
+++ b/clang/lib/ASTMatchers/Dynamic/Registry.cpp
@@ -328,6 +328,7 @@
   REGISTER_MATCHER(on);
   REGISTER_MATCHER(onImplicitObjectArgument);
   REGISTER_MATCHER(parameterCountIs);
+  REGISTER_MATCHER(parenExpr);
   REGISTER_MATCHER(parenType);
   REGISTER_MATCHER(parmVarDecl);
   REGISTER_MATCHER(pointee);