Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/clang-tools-extra/test/clang-tidy/temporaries.cpp

@@ -0,0 +1,23 @@
+// RUN: clang-tidy -checks='-*,clang-analyzer-core.NullDereference' -analyze-temporary-dtors %s -- | FileCheck %s
+
+struct NoReturnDtor {
+  ~NoReturnDtor() __attribute__((noreturn));
+};
+
+extern bool check(const NoReturnDtor &);
+
+// CHECK-NOT: warning
+void testNullPointerDereferencePositive() {
+  int *value = 0;
+  // CHECK: [[@LINE+1]]:10: warning: Dereference of null pointer (loaded from variable 'value') [clang-analyzer-core.NullDereference]
+  *value = 1;
+}
+
+// CHECK-NOT: warning
+void testNullPointerDereference() {
+  int *value = 0;
+  if (check(NoReturnDtor())) {
+    // This unreachable code causes a warning if we don't run with -analyze-temporary-dtors
+    *value = 1;
+  }
+}