Disable cfi-unrelated-cast sanitizer in OpParameter function.

src/base/macros.h

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_BASE_MACROS_H_
 #define V8_BASE_MACROS_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 255 matching lines @@
 #endif
 #endif
 
 // Define DISABLE_ASAN macros.
 #ifdef V8_USE_ADDRESS_SANITIZER
 #define DISABLE_ASAN __attribute__((no_sanitize_address))
 #else
 #define DISABLE_ASAN
 #endif
 
+#if defined(__has_attribute)
+#if __has_attribute(no_sanitize)
+#define DISABLE_CFI_UNRELATED_CAST \
+  __attribute__((no_sanitize("cfi-unrelated-cast")))
+#else
+#define DISABLE_CFI_UNRELATED_CAST
+#endif
+#else
+#define DISABLE_CFI_UNRELATED_CAST
+#endif
 
 #if V8_CC_GNU
 #define V8_IMMEDIATE_CRASH() __builtin_trap()
 #else
 #define V8_IMMEDIATE_CRASH() ((void(*)())0)()
 #endif
 
 
 // Use C++11 static_assert if possible, which gives error
 // messages that are easier to understand on first sight.
@@ skipping 131 matching lines @@
 }
 
 template <>
 inline bool is_fundamental<uint8_t>() {
   return true;
 }
 }
 }  // namespace v8::base
 
 #endif   // V8_BASE_MACROS_H_