增加websocket支持

vendor/github.com/bytedance/sonic/internal/rt/fastmem.go

@@ -66,16 +66,15 @@ func FuncAddr(f interface{}) unsafe.Pointer {
     }
 }
 
-//go:nocheckptr
 func IndexChar(src string, index int) unsafe.Pointer {
 	return unsafe.Pointer(uintptr((*GoString)(unsafe.Pointer(&src)).Ptr) + uintptr(index))
 }
 
-//go:nocheckptr
 func IndexByte(ptr []byte, index int) unsafe.Pointer {
 	return unsafe.Pointer(uintptr((*GoSlice)(unsafe.Pointer(&ptr)).Ptr) + uintptr(index))
 }
 
+//go:nosplit
 func GuardSlice(buf *[]byte, n int) {
 	c := cap(*buf)
 	l := len(*buf)
@@ -110,16 +109,4 @@ func StrFrom(p unsafe.Pointer, n int64) (s string) {
     (*GoString)(unsafe.Pointer(&s)).Ptr = p
     (*GoString)(unsafe.Pointer(&s)).Len = int(n)
     return
-}
-
-// NoEscape hides a pointer from escape analysis. NoEscape is
-// the identity function but escape analysis doesn't think the
-// output depends on the input. NoEscape is inlined and currently
-// compiles down to zero instructions.
-// USE CAREFULLY!
-//go:nosplit
-//goland:noinspection GoVetUnsafePointer
-func NoEscape(p unsafe.Pointer) unsafe.Pointer {
-    x := uintptr(p)
-    return unsafe.Pointer(x ^ 0)
 }