[VM, Precompiler] PoC Obfuscator

runtime/vm/intrinsifier.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 // Class for intrinsifying functions.
 
 #include "vm/intrinsifier.h"
 #include "vm/assembler.h"
 #include "vm/compiler.h"
 #include "vm/cpu.h"
 #include "vm/flags.h"
@@ skipping 70 matching lines @@
       OS::PrintErr("%s\n", error.ToErrorCString());                            \
     }                                                                          \
     ASSERT(error.IsNull());                                                    \
     if (#function_name[0] == '.') {                                            \
       str = String::New(#class_name #function_name);                           \
     } else {                                                                   \
       str = String::New(#function_name);                                       \
     }                                                                          \
     func = cls.LookupFunctionAllowPrivate(str);                                \
   }                                                                            \
-  ASSERT(!func.IsNull());                                                      \
+  if (func.IsNull()) {                                                         \
+    FATAL2("Intrinsifier failed to find method %s in class %s\n",              \
+           #function_name, #class_name);                                       \
+  }                                                                            \
   func.set_is_intrinsic(true);
 
   // Set up all core lib functions that can be intrinsified.
   lib = Library::CoreLibrary();
   ASSERT(!lib.IsNull());
   CORE_LIB_INTRINSIC_LIST(SETUP_FUNCTION);
   CORE_INTEGER_LIB_INTRINSIC_LIST(SETUP_FUNCTION);
   GRAPH_CORE_INTRINSICS_LIST(SETUP_FUNCTION);
 
   // Set up all math lib functions that can be intrinsified.
@@ skipping 1026 matching lines @@
 void Intrinsifier::RegExp_ExecuteMatch(Assembler* assembler) {
   IntrinsifyRegExpExecuteMatch(assembler, /*sticky=*/false);
 }
 
 void Intrinsifier::RegExp_ExecuteMatchSticky(Assembler* assembler) {
   IntrinsifyRegExpExecuteMatch(assembler, /*sticky=*/true);
 }
 #endif  // !defined(TARGET_ARCH_DBC)
 
 }  // namespace dart