[clang-tidy] Move incomplete type test into separate test file

Summary: Move in complete type test which does not compile into its own test file.

Reviewers: alexfh, sbenza, aaron.ballman

Subscribers: cfe-commits

Differential Revision: https://reviews.llvm.org/D26369

llvm-svn: 286155

clang-tools-extra/test/clang-tidy/performance-unnecessary-value-param-incomplete-type.cpp

@@ -0,0 +1,9 @@
+// RUN: %check_clang_tidy %s performance-unnecessary-value-param %t -- -fix-errors -- --std=c++11
+
+// Ensure that incomplete types result in an error from the frontend and not a
+// clang-tidy diagnostic about IncompleteType being expensive to copy.
+struct IncompleteType;
+void NegativeForIncompleteType(IncompleteType I) {
+  // CHECK-MESSAGES: [[@LINE-1]]:47: error: variable has incomplete type 'IncompleteType' [clang-diagnostic-error]
+}
+

clang-tools-extra/test/clang-tidy/performance-unnecessary-value-param.cpp

@@ -1,4 +1,4 @@
-// RUN: %check_clang_tidy %s performance-unnecessary-value-param %t -- -fix-errors -- --std=c++11
+// RUN: %check_clang_tidy %s performance-unnecessary-value-param %t
 
 // CHECK-FIXES: #include <utility>
 
@@ -238,13 +238,6 @@ void PositiveConstRefNotMoveAssignable(ExpensiveToCopyType A) {
   B = A;
 }
 
-// Ensure that incomplete types result in an error from the frontend and not a
-// clang-tidy diagnostic about IncompleteType being expensive to copy.
-struct IncompleteType;
-void NegativeForIncompleteType(IncompleteType I) {
-  // CHECK-MESSAGES: [[@LINE-1]]:47: error: variable has incomplete type 'IncompleteType' [clang-diagnostic-error]
-}
-
 // Case where parameter in declaration is already const-qualified but not in
 // implementation. Make sure a second 'const' is not added to the declaration.
 void PositiveConstDeclaration(const ExpensiveToCopyType A);