Imported Upstream version 6.10.0.49

Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b

external/llvm-project/compiler-rt/test/cfi/target_uninstrumented.cpp

@@ -0,0 +1,45 @@
+// RUN: %clangxx -g -DSHARED_LIB %s -fPIC -shared -o %dynamiclib %ld_flags_rpath_so
+// RUN: %clangxx_cfi_diag -g %s -o %t %ld_flags_rpath_exe
+// RUN: %run %t 2>&1 | FileCheck %s
+
+// REQUIRES: cxxabi
+// UNSUPPORTED: win32
+
+#include <stdio.h>
+#include <string.h>
+
+struct A {
+  virtual void f();
+};
+
+void *create_B();
+
+#ifdef SHARED_LIB
+
+struct B {
+  virtual void f();
+};
+void B::f() {}
+
+void *create_B() {
+  return (void *)(new B());
+}
+
+#else
+
+void A::f() {}
+
+int main(int argc, char *argv[]) {
+  void *p = create_B();
+  // CHECK: runtime error: control flow integrity check for type 'A' failed during cast to unrelated type
+  // CHECK: invalid vtable in module {{.*}}libtarget_uninstrumented.cpp.dynamic.so
+  A *a = (A *)p;
+  memset(p, 0, sizeof(A));
+  // CHECK: runtime error: control flow integrity check for type 'A' failed during cast to unrelated type
+  // CHECK-NOT: invalid vtable in module
+  // CHECK: invalid vtable
+  a = (A *)p;
+  // CHECK: done
+  fprintf(stderr, "done %p\n", a);
+}
+#endif