buffer: remove lines setting indexes to integer value

PR-URL: #52588 Refs: #52585 Reviewed-By: Antoine du Hamel <[email protected]> Reviewed-By: James M Snell <[email protected]>

Author: kylo5aby

lib/internal/blob.js

@@ -244,14 +244,12 @@ class Blob{
 }else{
 start=MathMin(start,this[kLength]);
 }
-start|=0;
 
 if(end<0){
 end=MathMax(this[kLength]+end,0);
 }else{
 end=MathMin(end,this[kLength]);
 }
-end|=0;
 
 contentType=`${contentType}`;
 if(RegExpPrototypeExec(disallowedTypeCharacters,contentType)!==null){

test/pummel/test-blob-slice-with-large-size.js

@@ -0,0 +1,21 @@
+'use strict';
+constcommon=require('../common');
+
+// Buffer with size > INT32_MAX
+common.skipIf32Bits();
+
+constassert=require('assert');
+
+constsize=2**31;
+
+try{
+constbuf=Buffer.allocUnsafe(size);
+constblob=newBlob([buf]);
+constslicedBlob=blob.slice(size-1,size);
+assert.strictEqual(slicedBlob.size,1);
+}catch(e){
+if(e.code!=='ERR_MEMORY_ALLOCATION_FAILED'){
+throwe;
+}
+common.skip('insufficient space for Buffer.allocUnsafe');
+}