[analyzer] Teach CloneDetection about Qt Meta-Object Compiler

Reviewers: v.g.vassilev, zaks.anna, NoQ, teemperor

Reviewed By: v.g.vassilev, zaks.anna, NoQ, teemperor

Differential Revision: https://reviews.llvm.org/D31320

llvm-svn: 305659
diff --git a/clang/test/Analysis/copypaste/dbus_autogenerated.cpp b/clang/test/Analysis/copypaste/dbus_autogenerated.cpp
new file mode 100644
index 0000000..1824375
--- /dev/null
+++ b/clang/test/Analysis/copypaste/dbus_autogenerated.cpp
@@ -0,0 +1,19 @@
+// RUN: %clang_analyze_cc1 -std=c++11 -analyzer-checker=alpha.clone.CloneChecker -analyzer-config alpha.clone.CloneChecker:IgnoredFilesPattern="moc_|dbus_|.*_automoc" -verify %s
+
+// Because files that have `dbus_' in their names are most likely autogenerated,
+// we suppress copy-paste warnings here.
+
+// expected-no-diagnostics
+
+void f1() {
+  int *p1 = new int[1];
+  int *p2 = new int[1];
+  if (p1) {
+    delete [] p1;
+    p1 = nullptr;
+  }
+  if (p2) {
+    delete [] p1; // no-warning
+    p2 = nullptr;
+  }
+}