improve useuniqueptr loplugin to find arrays

Change-Id: I81e9d0cd4f430b11d20037054055683240792240
Reviewed-on: https://gerrit.libreoffice.org/39825
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>

compilerplugins/clang/test/useuniqueptr.cxx

@@ -8,13 +8,33 @@
  */
 
 
-class Foo {
+class Foo1 {
     char* m_pbar; // expected-note {{member is here [loplugin:useuniqueptr]}}
-    ~Foo()
+    ~Foo1()
     {
         delete m_pbar; // expected-error {{a destructor with only a single unconditional call to delete on a member, is a sure sign it should be using std::unique_ptr for that field [loplugin:useuniqueptr]}}
         m_pbar = nullptr;
     }
 };
 
+
+class Foo2 {
+    char* m_pbar1; // expected-note {{member is here [loplugin:useuniqueptr]}}
+    char* m_pbar2; // expected-note {{member is here [loplugin:useuniqueptr]}}
+    ~Foo2()
+    {
+        delete[] m_pbar1; // expected-error {{managing array of trival type 'char' manually, rather use std::vector / std::array / std::unique_ptr [loplugin:useuniqueptr]}}
+        delete[] m_pbar2; // expected-error {{managing array of trival type 'char' manually, rather use std::vector / std::array / std::unique_ptr [loplugin:useuniqueptr]}}
+    }
+};
+
+class Foo3 {
+    char* m_pbar;
+    bool bMine;
+    ~Foo3()
+    {
+        if (bMine)
+            delete[] m_pbar;
+    }
+};
 /* vim:set shiftwidth=4 softtabstop=4 expandtab cinoptions=b1,g0,N-s cinkeys+=0=break: */